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16 September
President of the European Commission since 2019; previously Germany's defence minister.
Our emergency crews have saved countless lives and homes from the wildfires this summer. And I wanted to tell the story of a Danish pilot, Rune Kyndal. Rune gave his life to save others. Today, all of Europe owes him ↓ Europe Related
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Fresh data from GitHub: Agent-generated PRs have exploded in size. 9x the last 8 months (!!) No signs of slowing down. This is why everyone is rethinking code reviews, deploys, possibly even o11y thanks to the GH team for sharing this data with me! (Slide from my talk yesterday) Related
Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
o11y, k8s, i18n, a11y, l10n iykyn a11y still the most ironic one Related
CEO of Positive Sum and founder of Colossus. Hosts Invest Like the Best, interviewing investors and business leaders; the guests do most of the talking there.
My conversation with Michael Moritz, one of the great venture investors of the last 40 years. Michael joined Sequoia in 1986 and co-led the firm with Doug Leone (@dougleone) from 1995 to 2012. His investments include Google, Yahoo, PayPal, and Stripe. His new book, Ausländer, traces his parents' escape from Nazi Germany and helps explain his lifelong interest in what shapes exceptional people. We discuss: - The infamous Steve Jobs profile - Why Don Valentine hired him - The question he finds most revealing when interviewing people - Monomania and the cost of greatness - Why he has never felt… Google Related
American historian of Central and Eastern Europe and the Holocaust; author of Bloodlands, On Tyranny and On Freedom, and writer of the newsletter 'Thinking about...'.
American author of The Obstacle Is the Way, Ego Is the Enemy and Stillness Is the Key. Writes the Reading List book-recommendation email (started 2008) and owns The Painted Porch bookstore in Bastrop, Texas. Hosts The Daily Stoic podcast.
What good trouble will you make? Related
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
American author of The Subtle Art of Not Giving a F*ck and Everything Is F*cked. Writes essays and book reviews at markmanson.net.
Short Why Your Brain Lies to You Related
Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.
Just to add: it fits well with the same attitudes that led to DOGE, MAHA, etc. An absolute conviction that the gang in power, who are not experts in anything at all, know better than the experts. Sharing responsibility and appreciating expertise is essential to our complex world, and is being lost. Quoting @tompepinsky.com the hardest thing for the politician-bureaucrats to understand -- but which NSF staff *absolutely do* understand and always have -- is that you actually make scientific progress by giving young people money and promising not to bother them Related
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
New blog post: How to get a DOI for your blog posts https://shkspr.mobi/blog/2026/09/how-to-get-a-doi-for-your-blog-posts/ Each new post on this blog now has a Digital Object Identifier. This post looks at the how and the why of getting one, whether it is useful, and any issues you might … Related
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
Indian software developer and prolific blogger on PHP, Laravel and JavaScript; open-source enthusiast publishing near-daily at amitmerchant.com.
Handy little Mac app I came across lately to see (and kill) all the dev servers running on localhost from your menu bar! → Related
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
"You can’t bake a cake without telling the computer which eggs are most morally deserving of being broken." Damn right! Quoting @tommorris.org New blog post: What has Athens to do with Palo Alto? A fun little romp through the sophistry of techno-theology, with reference to the deeply unserious attempts to encode ethics into autonomous vehicles. tommorris.org/posts/2026/w... Related
Co-founder and CEO of Stripe and co-founder of the Arc Institute. Keeps a personal site of reading lists, open questions and notes on scientific progress and how research is funded.
A quick EU founder survey: https://t.co/LjizHbxgIQ. Related
Investor and writer. Previously a partner at Andreessen Horowitz and a product leader at Twitter, Facebook, Snap and Microsoft. Writes essays and memos at sriramk.com.
Writer and former McKinsey/BCG strategy consultant; author of The Pathless Path and Good Work, about leaving the default career track. Publishes the Boundless newsletter and podcast.
pretty cool an essay like this can hit 1M long post-hustle Quoting @jonnym1ller After months of writing, 'How to Unclench' is finally live! It's an interactive essay packed with stories, science & guided practices to help you unclench. → Related
Programmer and designer who writes at tonsky.me; author of Fira Code, DataScript and AnyBar.
Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.
9 in 10 children in the world’s poorest countries cannot read this sentence. In my new Substack issue, I look at why the global education crisis is not quite the crisis many of us think it is, and why some solutions are remarkably effective. #PeterSinger #Education #GlobalPoverty Related
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
Mastodon 🆕 blog! “How to get a DOI for your blog posts” Each new post on this blog now has a Digital Object Identifier. This post looks at the how and the why of getting one, whether it is useful, and any issues you might experience if you go down this path. Table of Contents Background A few years ago, I documented how to to get an International Standard… 👀 Read more: https://shkspr.mobi/blog/2026/09/how-to-get-a-doi-for-your-blog-posts/ ⸻ #academia #citation #DOI #HTML #WordPress Related
Blog How to get a DOI for your blog posts Each new post on this blog now has a Digital Object Identifier. This post looks at the how and the why of getting one, whether it is useful, and any issues you might experience if you go down this path. Table of Content…
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Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.
Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
Prime Minister of the United Kingdom since July 2026 and leader of the Labour Party. MP for Makerfield since a by-election in June 2026; Mayor of Greater Manchester from 2017 before that.
Britain should be a country that makes things. It's how we create good jobs, give more opportunities to young people, and build pride in our communities. That's why today’s announcement from McLaren matters. They’re backing Britain, keeping design, engineering and manufacturing here at home - with plans to build their engines in-house for the first time. Their £500m investment will drive growth far beyond their factory gates, creating a thousand jobs, supporting thousands more in the supply chain, and providing apprenticeships to young people. This is what reindustrialising Britain looks like. Related
Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.
Economist; writes In My Tribe, and wrote The Three Languages of Politics.
Criminal defence lawyer in New York; writes Simple Justice, mostly about how criminal law works in practice rather than in theory.
Economic historian at Columbia; writes Chartbook on economics, geopolitics and history, and wrote Crashed and The Deluge.
Italian software architect working on Microsoft 365, Azure and GitHub tooling. Microsoft MVP and GitHub Star; writes, speaks and streams about developer productivity at emanuelebartolesi.com.
Co-founder, chairman and chief investment officer of Ritholtz Wealth Management. Hosts the Masters in Business podcast for Bloomberg and wrote How NOT to Invest.
Writes and podcasts Volts, on the technology, politics and policy of decarbonisation; covered energy and climate at Vox and Grist before that.
Economist and Nobel laureate. Wrote a New York Times column for 25 years until December 2024 and now publishes several times a week on Substack.
Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
Mastodon "Unbeknownst" is a bloody great word, isn't it? Related
Bluesky Future me is a twunt and is going to get what's coming to him if he doesn't buck up his ideas pronto. Quoting @dorsaamir.bsky.social ✨A fun little reminder for everyone✨: Future You is not magically less busy. Future You is actually just as busy as Current You + also hates Past You for all the extra stuff you signed them up for. Related
Belgian engineering lead, Microsoft MVP and public speaker. Creator of Front Matter, a headless CMS extension for Visual Studio Code.
Programmer and writer; co-founder of Stack Overflow and Discourse, and author of the Coding Horror blog, which he has written since 2004.
"People and their AI agents are making the act of being on the internet extremely annoying, and the problem is about to get much worse. " 404media.co
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Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.
We consider switching to a system where we receive #curl vuln submissions only during a set period of the release cycle. A vuln submission window. Keep it open a few weeks then close it again. Related
Author of Shape Up; formerly head of strategy at Basecamp, where he worked on product design for seventeen years; now runs Felt Presence.
Keen observation from Michael Backes re: AI and mentoring: "routine, lower-stakes work — drafting, debugging, first-pass review, data entry — was never just throughput. It was the cheapest way a junior employee built pattern recognition before anyone trusted them with an ambiguous, high-stakes call." Related
Prime Minister of the United Kingdom since July 2026 and leader of the Labour Party. MP for Makerfield since a by-election in June 2026; Mayor of Greater Manchester from 2017 before that.
We are grateful to everyone who has shared a kind message about my dad, particularly the leaders of the other parties. My family and I have been helped though this difficult time by people’s warmth and compassion. It means a great deal to us and we wanted to say thank you. Related
Marketing author and daily blogger; founder of the altMBA and the Akimbo workshops, and author of books including Purple Cow and This Is Marketing.
President of the European Commission since 2019; previously Germany's defence minister.
Dear @MarkJCarney we want to bring the relationship with Canada to the highest level possible. I would like to work with you on opening the door for Canada to being the first associate member of the EU. And create a common prosperity and economic security space. Europe Related
Europe needs its own playbook to counter hybrid attacks. An Emergency Security Protocol. When triggered by one Member State, all Member States would coordinate a European response. We will also set out our ideas to make a European Security Council a reality. With partners like Ukraine, UK, Norway, Canada and others involved. Europe Related
Indian software developer working with React and TypeScript; writes and publishes a newsletter at sreetamdas.com.
American author of The Subtle Art of Not Giving a F*ck and Everything Is F*cked. Writes essays and book reviews at markmanson.net.
The Dopamine Trap That’s Ruining Your Life Related
CEO of Positive Sum and founder of Colossus. Hosts Invest Like the Best, interviewing investors and business leaders; the guests do most of the talking there.
Canadian software developer and writer, co-editor of the XML and Atom specifications and formerly of Sun Microsystems, Google and AWS. Has written the blog ongoing since 2003.
RE: https://indieweb.social/@jbz/117279440295217113 Might be interesting except for nothing I do in Emacs has perceptible latency. Related
Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.
in Lisbon for Git Merge / JJ Con this week Related
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.
programming is solved. no fix incoming. Quoting @awakecoding So it turns out this has been an issue with Claude Desktop for Windows for the past *WEEKS* and everyone I talk to tells me they've worked around it by rebooting or reinstalling. Anthropic clearly doesn't dogfood their own product on Windows, otherwise it would have been fixed Related
Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.
I can barely remember you anymore. Related
President of the European Commission since 2019; previously Germany's defence minister.
A stronger, independent Europe is now emerging. A Europe better able to defend itself than ever before. That is there for Europeans. This is a Europe we can be so proud of ↓ Europe Related
British software developer at Laravel and creator of the Cachet open-source status page system. Podcaster; writes at james.brooks.page.
Economist and journalist; Financial Times columnist as The Undercover Economist, author of How to Make the World Add Up, and presenter of the Cautionary Tales podcast.
Canadian cartoonist and writer: Dinosaur Comics, Marvel's The Unbeatable Squirrel Girl, and the choose-your-own-path books To Be or Not To Be and Romeo and/or Juliet.
i will be DAMNED if i lose to a CONCEPT archive - contact - sexy exciting merchandise - search - about ← previousSeptember 16th, 2026next September 16th, 2026: This is of course a work of fiction - I achieved inner peace YEARS ago and not gonna lie: it's…
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Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
It's a bad idea. If you dictate scientists just what to work on, you will get a low return on investment. The current science funding schemes ALREADY have this problem: pour money into some specific program, see scientists produce something that fits into the program to get the money --> topic is overcrowded with incremental and nonsense research that mostly leads nowhere. It's inefficient for the same reason planned economies are inefficient. Scientists need MORE freedom to do what they want, not less. Quoting @NewsfromScience The National Science Foundation (NSF) has issued a 10-page memo signaling a retreat from its traditional role of giving grants to individual researchers to pursue their best ideas and to train the next generation of scientists. Instead, the memo makes clear, NSF will devote the bulk of its resource… Related
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
nobody should patronize those who newly have opinions about third party evaluators. non-experts forming opinions fast is part of the american tradition. the constitution itself was, in a very important sense, vibe coded by 20 somethings with concepts of a plan. but newbies being fleeced is also part of the american tradition. “caveat emptor” is a provision of a contract signed by an adult, not some god-given right to be treated as something other than a little child. you will be treated as a child no matter what. you are the buyer. it is your job to beware. America Related
Scottish software developer on the Statamic core team; runs a one-person business maintaining Statamic addons such as Runway and writes at duncanmcclean.com.
Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.
"for months on end now, most of our teams have just been triaging bugs and coordinating releases. It has truly taken all the fun out of the job" blog.nlnetlabs.nl
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Former options market maker who writes Moontower, a newsletter on trading, volatility, decision-making and how to think about risk outside markets too.
Legend showing up in the comments. IYKYK Good to see your name gor Quoting @NymexGor @KrisAbdelmessih Would trade the yahoo jan 2001 215-240 put spread with yahoo at 40-50 bucks after the crash. Was curious who was good enough to have 1 billion dollars of yahoo puts but not exercise them. Didnt figure out it was mark cuban not exercising till about 5 years later. Related
Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.
got chattyG to read like 8 million words I’ve written over 20+ years and asked it to split my life up into eras and visualize them Related
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.
the phrase “well-coordinated” evokes images of spooky shadowy conspiracy. In practice, well-coordinated can be - a message board - a simple repeatable idea - people showing up regularly - an event now and then - some individuals having a sense of history and references Related
Swedish designer and programmer. Designed early Spotify, worked at Facebook and Figma, and created the Inter typeface.
This is so good and so fun! Quoting @saragordic The sweaters are yours now! 🧶 Window Sweaters is now on GitHub, free and open source. Every window gets a knitted border in its own app's colours, so you can easily tell them apart. More patterns coming! 🫠 Related
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
"Across 477 coup attempts in one major dataset, about 48% succeeded overall, but attempts originating with top military elites succeeded 76.4% of the time, whereas those led by lower-level/combat officers succeeded only 29%." @ChatGPT OpenAI Related
Brazilian software engineer, creator and maintainer of GoReleaser; works on Copilot CLI at GitHub. Writes about tooling and his setup at carlosbecker.com.
Founder and CEO of Get Lighthouse, a management-coaching software company, and previously a product lead at KISSmetrics. Writes about leadership, management and product at jasonevanish.com.
The best, nuanced take on what customer development means in the “I can prototype that in an hour” era of AI: Related
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
same reporter who did that nasty hit piece on caleb watney btw Related
General partner at Benchmark Capital for over two decades; was the lead analyst on Amazon's IPO before moving into venture capital. Writes Above the Crowd on tech and marketplace economics.
I'm not of fan of regulation for two reasons - 1) its hard to get right, and 2) its highly susceptible to regulatory capture. That said, if we insist on doing it, we should try to get it correct. As "safety" seems is the primary goal of this AI regulation exercise, I wanted to share that I recently went deep on both the 737 Max (2 crashes) and Fukushima accidents. In both cases, the investigations led to a conclusion that "regulatory capture" was the EXACT failure that led to both safety incidents. Boeing/FAA and Tepco/NISA. As a result, with safety as the #1 goal, the regulator MUST BE someo… Related
Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?
hey I heard you like sankey diagrams that show huge populations making terrible decisions Related
Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.
fyi: If i used to follow you and i’m not currently following you, it’s not that I unfollowed you in particular. I unfollowed everyone and am taking my time to slowly follow people again🌱 Related
Founder and chief executive of Replit. Previously an engineer at Facebook and Codecademy. Writes essays on programming, philosophy and entrepreneurship at amasad.me.
This is cool, but if your output domain is known in advance, why not just train a model to produce logprobs over enums? Quoting @CompleteSkeptic After co-inventing ChatGPT, I kept asking myself: why have superhuman chat models not led to AGI? I’ve spent the last 2 years in stealth building a new way to train models (RLCD), and a new type of frontier AI model that we are releasing today: Jev • 20-200x faster • 40-400x cheaper (w/ output toke… Related
Founder and CEO of Get Lighthouse, a management-coaching software company, and previously a product lead at KISSmetrics. Writes about leadership, management and product at jasonevanish.com.
This is your competitive advantage while everyone else over indexes on where people went to school or what decacorn they worked at. Quoting @a16z agency over pedigree Related
Demographer; writes on fertility, marriage and population, and directs the Pro-Family Initiative at the Institute for Family Studies.
Founder and CEO of Get Lighthouse, a management-coaching software company, and previously a product lead at KISSmetrics. Writes about leadership, management and product at jasonevanish.com.
Not sure what’s worse: the content or the reading level. I was reading Michael Crichton books by 3rd grade… Related
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
I was hoping we could get <svg> output out of developer.apple.com/sf-symbols/ but it doesn't seem like it. It's got an SVG option but it only copies the file name (?!?!). Maybe just a beta bug. Related
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.
Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.
Charting the Agentic Garden of Forking Paths Arjun Balaji, Batuhan Duru Yeltekin, and Tian Zheng write: Even with a fixed dataset and research question, data analysis involves many defensible decisions. Understanding how these choices influence the results is scie…
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Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.
Founder and chief executive of Replit. Previously an engineer at Facebook and Codecademy. Writes essays on programming, philosophy and entrepreneurship at amasad.me.
If you’re curious about Effective Altruism, the origins of the cult, their tactics, and their influence network — check out my conversation with Tucker from two years ago: Quoting @TuckerCarlson Tech CEO Amjad Masad on the cults of Silicon Valley. This is the deepest and most interesting explanation of AI you’ll ever see. (0:00) Artificial Intelligence (10:01) Bitcoin (22:30) The Extropians Cult (29:15) Transhumanism (34:04) Longtermism (40:24) Are Machines Capable of Thinking? (43:11) The… Related
Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.
"Though it’s now unfashionable to praise elites...A complex modern society cannot be run by a show of hands. The public simply wants too many incompatible things...Reaching tolerable accommodations requires...elites to maintain the public’s trust" washingtonpost.com
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Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?
R train late night trifecta: guy going home with a double bass, guy on here with a whole CitiBike, and someone pulled the emergency brake. Related
Statistician and Chief Scientist at Posit (RStudio). Author of the ggplot2, dplyr and tidyverse R packages and of books on R programming and data science.
@tcash21.bsky.social did you see your headshot??? Related
Former options market maker who writes Moontower, a newsletter on trading, volatility, decision-making and how to think about risk outside markets too.
Worth reboosting this. One of those litmus test posts where if you think you know options but don't grok this, let's just say you'll be surrounded by lots of friends and compliments Related
General partner at Andreessen Horowitz and author of The Cold Start Problem. Previously led rider growth teams at Uber; has blogged on growth, network effects and marketplaces since 2007.
Sometimes it’s the small victories that make your day Related
Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.
It is indeed a good book. Quoting @eruditorumpress.com OK, if this is going to blow up my notifications this much I'm going to fess up and say that I have, in fact, written the book about these guys, and it's even a pretty good book if I may say so myself. www.amazon.com/Neoreaction-... Related
Writer and former McKinsey/BCG strategy consultant; author of The Pathless Path and Good Work, about leaving the default career track. Publishes the Boundless newsletter and podcast.
Founder and former CEO of Zynga, the social-games company behind FarmVille, Zynga Poker and Words with Friends; says he founded ten companies in all, and wrote Life at the Speed of Play.
This is the man @RoKhanna admires for his courage. Im sure there were other Ro’s who admired Hitler’s courage too. Quoting @JonahPlatt Every antizionist who believes they’re “on the right side of history” while defending a dude who literally does Nazi salutes in Jewface needs to realize how profoundly they have been brainwashed into being the foot soldiers of a global anti-Jew agenda without realizing it. Related
Writer and former McKinsey/BCG strategy consultant; author of The Pathless Path and Good Work, about leaving the default career track. Publishes the Boundless newsletter and podcast.
Byung chul han called this auto exploitation and it’s one of the best coined terms I’ve heard Quoting @cruisequeeeen The most toxic thing modern society normalized is hustle culture. No sleep. No social life. Constant burnout. And we call it ambition. You’re not winning. You’re being exploited by your own ambition. Related
Canadian cartoonist and writer: Dinosaur Comics, Marvel's The Unbeatable Squirrel Girl, and the choose-your-own-path books To Be or Not To Be and Romeo and/or Juliet.
I'm at a Jays game on loonie hot dog night and ive so far consumed $11 worth of hot dogs Related
Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.
"even in groups where men and women have similarly sheltered lives—Mormons, priests, and nuns...men die younger...From the moment of conception till their final years on Earth, males are less likely than females to make it to their next birthday" Related
Front-end web developer at Paravel and co-host of the ShopTalk Show podcast; blogs at daverupert.com.
The agent stuff is meh, but having a cute little dedicated linux machine like this would be kind of neat. pamir.ai
Linux Related
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
Writer and academic, author of The Cult of Smart and How Elites Ate the Social Justice Movement; writes a daily newsletter on politics, education and culture.
Software engineer and writer; worked on Mapbox and built Placemark and Simple Statistics, and blogs at macwright.com.
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
From one piece
Trump Goes Full Hoax on AI Existential Risk
2 beliefs · thezvi.substack.com
Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.
From one piece
When discussing AI policy, start with China
3 beliefs · marginalrevolution.com
+ 1 more
Security engineer; founder of Matasano Security and Latacora.
LLMs
Their words
you can't use a single word the LLM selects for you, even if it's better than your own; users detect LLM words in the parts per trillion.
Show the whole quote
@tqbf on X x.com
Founder and editor of ToolGuyd, a tool review site covering power tools, hand tools, workshop equipment and EDC gear. He writes under his first name on the site.
From one piece
I Visited My Favorite Lowe’s Store
2 beliefs, in the piece's order there
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Their words
everyone's racing to establish themselves as a general agent now
Show the whole quote
@simonw on X x.com
Founder of the Free Software Movement and the GNU Project, original author of GNU Emacs and the GNU General Public License, and long-time president of the Free Software Foundation.
From one piece
Urgent: Raise the Wage Act
3 beliefs, in the piece's order there
America
Their words
Republicans' long-term strategy, since Reagan, is to spend a lot of money (mainly on things that won't benefit non-rich Americans), refuse to raise taxes, and therefore greatly increase the national debt.
Show the whole quote
Urgent: Raise the Wage Act stallman.org
Their words
Racism today: when a white person faces accusations of wrongdoing, the accusation is against per alone. When a black person faces accusations, racists use that to cast aspersions against blacks in general.
Show the whole quote
Urgent: Raise the Wage Act stallman.org
Their words
Global heating is an intentional outrage, not a natural calamity. It is being done to us knowingly.
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Urgent: Raise the Wage Act stallman.org
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Their words
it'd so easy to compete with them because they're usually not even trying to do more
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@levelsio on X x.com
Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.
Their words
He's in the early stage, where problems ≈ deciding what to do in what order.
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@paulg on X x.com
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And that's an an upper bound; these are merely "potential" noncitizens. This is a fake problem.
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@paulg on X x.com
Economics writer; author of the Noahpinion newsletter.
From one piece
The anti-American Right
3 beliefs · noahpinion.blog
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Co-founder of AngelList. Writes and podcasts at nav.al in short, aphoristic pieces on startups, wealth and judgement rather than long essays.
Their words
The best way to pace the frontier is to hold the labs fully liable for the behavior of their models.
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@naval on X x.com
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The future is more likely AIs fighting AIs (on behalf of humans) than AI fighting humanity.
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@naval on X x.com
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If AI is risky like fire is risky, then you want everyone to have it. If AI is risky like a nuclear weapon is risky, then you want no one to have it.
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@naval on X x.com
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
Their words
I should be able to pull you aside at any moment and ask you to explain any customer-facing system you've shipped. You should be able to clearly explain how it works and defend the decisions you made.
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@mitchellh on X x.com
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Designers, your job is safe from AI. https://t.co/W7eAOnYvQW
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@mitchellh on X x.com
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
From one piece
Meta's Amusing Muse
2 beliefs, in the piece's order there
Writes Slow Boring, a near-daily newsletter on American politics and public policy; co-founded Vox in 2014 and left it in 2020.
From one piece
Destroying women’s sports in order to save it
3 beliefs, in the piece's order there
Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.
Their words
sometimes it's alright to have the ceo vibe slop his way to success.
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@badlogicgames on X x.com
Freelance climate and energy analyst in Oslo, writing on Europe, the US and Australia; worked in the Australian renewables industry before that.
From one piece
NVIDIA’S AI Climate hoax – report
2 beliefs, in the piece's order there
Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.
Their words
I don't yet have numbers to back this up, but I gotta believe that someone connecting their agent to Kody in one agent and then switching their main driver to another somewhere else is suboptimal.
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@kentcdodds on X x.com
Epidemiologist; founded Your Local Epidemiologist in March 2020 to translate public-health science, and consults for organisations including the CDC.
From one piece
What AI can and cannot do in biosecurity
3 beliefs, in the piece's order there
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
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@GergelyOrosz on X
2 beliefs · x.com
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vibe coding is not dead: Non-eng teams inside of tech companies are just getting started with this approach, building on top of internal “harnesses for non eng teams” They are also learning limitations of “vibe coding” v quickly!
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@GergelyOrosz on X x.com
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This is why everyone is rethinking code reviews, deploys, possibly even o11y
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@GergelyOrosz on X x.com
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Agent-generated PRs have exploded in size. 9x the last 8 months (!!) No signs of slowing down.
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@GergelyOrosz on X x.com
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
From one piece
@dhh on X
2 beliefs · x.com
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The world needs more Lamborghinis, Ferraris, Maseratis, and Paganis 🇮🇹
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@dhh on X x.com
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It's your moral duty to patronize the craftsman of Italy should you strike it big!
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@dhh on X x.com
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
From one piece
DataCenter Risk Is the Real Thing: CHART OF THE DAY
3 beliefs, in the piece's order there
From one piece
America’s Gentry Élite: TUESDAY TRENDS & TURMOIL
2 beliefs, in the piece's order there
Their words
If the useful life of an NVIDIA H100-vintage cluster turns out to really be three years rather than six, the capex cycle's economics invert, and the leverage that looked prudent looks reckless.
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braddelong.substack.com
data centers
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And when market opinion is nervous, it might turn and collapse the boom at any moment.
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braddelong.substack.com
Their words
The usual default math assumes debtors want to pay. But founder-controlled firms with a "you lent us too much" attitude introduce a strategic-default option that standard systems of ratings do not fully capture.
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Founded Bridgewater Associates in 1975 and led it until stepping back from control in 2022. Author of Principles, The Changing World Order and How Countries Go Broke; publishes economic analysis at economicprinciples.org.
Their words
especially in the "Dalio Market Principles Online" course I built with great partners at Singapore's Wealth Management Institute (WMI). The course has been completed by thousands of online learners around the world and has gotten great reviews. If you’re interested in joining its next cohort which is starting soon, you can learn more here.
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Author and clean-energy analyst who writes on solar cost curves.
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Google has a new paper called "Dream-RSI". It's an interesting paper! It's not RSI in the sense of improving the model itself.
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Creator of Claude Code at Anthropic.
Loved their own rcmnd.app
Claude
Their words
Simple enough for everyone to access Claude's full capabilities. I've been using this experience every day for the last few weeks, and it feels awesome. Simpler, faster, and more powerful.
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15 September
Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
omg today I went for a run and was able to breathe entirely through my nose. this has literally never happened or even come close to happening before in my life. I’ve never run a block breathing through my nose Quoting @noampomsky my allergist told me fixing my dust mite allergy might help my shrimp allergy so I decided to truly put ILIT to the test today by eating a shrimp salad accidentally served to me. I’m horribly allergic to shrimp so either this works or I’ll be tweeting from a swiss hospital soon Related
Data scientist and machine-learning researcher; chief scientist at bitly, founder of Fast Forward Labs and Hidden Door.
If we held people personally and criminally liable for the "autonomous" actions of the AI systems they create and deploy, I bet the risky behavior would evaporate overnight. Related
Co-founder and CEO of Stripe and co-founder of the Arc Institute. Keeps a personal site of reading lists, open questions and notes on scientific progress and how research is funded.
I'm curious to read other stories from people who've scaled new businesses in Europe. (And if your experience has been positive, that's also useful to hear.) Feel free to email me: patrick@stripe.com. Quoting @patrickc Met a German founder this week and asked him if all the stories one reads about the challenges of startups in Germany are exaggerated. "No, they're understated." Proceeded to describe spending a full day having a 90-page investment contract read to him (mandatory under German law; § 13 BeurkG) by a… Europe Related
Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.
Crystallized vs. fluid intelligence. Quoting @redaction You can tell when someone is “smart” (they’ve accumulated knowledge but lack naturally-elevated intuition) vs. someone who is Smart (they are favored by the gods) Related
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.
"the risk tolerance that men have, which leads them to do violent things, is often also the same risk tolerance that allows them to be inventive and adventurous...if you don’t channel it in a good direction, it’s very destructive." nytimes.com
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Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
Librarian, technology instructor and writer in rural Vermont; longtime community manager at MetaFilter and author of a book on the digital divide.
Excellent free zine about overcoming voting barriers in the US "Plenty of people hit a wall when they try to vote. Their name is missing from the voter list. The mail ballot never showed up. The signature on the envelope doesn't match. Someone at the door tells them they can't. None of that happens by chance. This guide covers the barriers that come up most often, and what to do about each one. English and Spanish versions are the same zine" From @monteiro and friends howtovote.tips
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Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
Author of The 4-Hour Workweek and Tools of Titans, and host of The Tim Ferriss Show podcast.
"If you allow kids to learn at their own pace, you can pack the entire school day into a very small amount of time. When my own son was in third grade, after a lot of back and forth, we finally got permission from one amazing teacher for him to do independent study during math class from an app during the school day. And he finished eighth grade math while he was in third grade." — @NielsHoven Related
Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
I think my therapist constantly underestimates how direct I am bc I’ll be like “yeah I’m feeling this” and she’ll be like “well did you tell her” and I’ll be like “yes it was the first thing I yelled when I walked in the room” Psychotherapy Related
Canadian software developer and writer, co-editor of the XML and Atom specifications and formerly of Sun Microsystems, Google and AWS. Has written the blog ongoing since 2003.
Good (Wednesday) morning, am in Australia. #Australia #Queensland #Brisbane #photography #bird #jetlag Related
Writer and novelist. Publishes essays and book notes at nateliason.com; author of the novel Husk and of Crypto Confidential.
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
This GIF from @joshwcomeau.com's last email is mesmerizing. Here's the border-shape he made of that codepen.io
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Author of Shape Up; formerly head of strategy at Basecamp, where he worked on product design for seventeen years; now runs Felt Presence.
One of the projects I'm most proud of at Basecamp is one I didn't even build myself ... it was the strategic work behind the feature that shipped as "card table." It's really cool to see it getting so much use via AI automation now. Related
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
In which I dunk on Dia pretty hard, while literally typing in Dia. Quoting @chriscoyier.net The Four Tiers of Tab Importance Arc is the greatest web browser ever, and has been tragically moved-on-from by The Browser Company of New York-come-Atlassian. I've been back on it the last month or so though.... Related
Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.
we're so back also if you were one of those who wrote off WebMCP because "aLl i nEeD iS a cLi" please revisit that - webMCP is so key youtube.com
Quoting @trq212 I was not expecting things to go this way, but I think MCPs are better than CLIs for most integrations. The models have gotten much better at tool calling, we can defer tools & MCP is now stateless. If you need to compose/filter data, add params like query to your MCP tools. Related
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Why the fuck does ubuntu disable TypeScript typestripping in the node they distribute? I'm low key mad right now. TypeScript Related
Social scientist at King's College London; writes The Great Gender Divergence on why societies differ in how they treat women.
Author of Shape Up; formerly head of strategy at Basecamp, where he worked on product design for seventeen years; now runs Felt Presence.
Watched a bit of @poteto + team on the Grok Bot stream today. Surprised by how normal the work is, but faster. So many micro judgements and steps that weren't automated. You could pause at many moments and be like "wait why that?" and it would lead to an interesting discussion. Related
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
Mastodon The Four Tiers of Tab Importance Arc is the greatest web browser ever, and has been tragically moved-on-from by The Browser Company of New York-come-Atlassian.... chriscoyier.net
Related
Bluesky The Four Tiers of Tab Importance Arc is the greatest web browser ever, and has been tragically moved-on-from by The Browser Company of New York-come-Atlassian. I've been back on it the last month or so though.... chriscoyier.net
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Programmer, photographer and musician, best known for the Python Requests HTTP library and other Python tooling.
Author of The 4-Hour Workweek and Tools of Titans, and host of The Tim Ferriss Show podcast.
Why you need to workshop your ideas in person. Related
American author of The Subtle Art of Not Giving a F*ck and Everything Is F*cked. Writes essays and book reviews at markmanson.net.
People will judge you if you try and fail. People will judge you if you try and succeed. People will judge you if you don’t try at all. So decide: what do you want to be judged for? Related
Journalist and author of The Art of Noticing; writes the newsletter The Art of Noticing (TAoN) on attention, creativity and the everyday.
Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.
Here's rehearsal video from ELP in 1973. A wee bit different than the Beatles in Let It Be (who I also love, for different reasons). youtube.com
Quoting @seanmcarroll.bsky.social YouTube just served up what might be my new favorite drum solo of all time. Carl Palmer at age 75! www.youtube.com/watch?v=Y5JW... Related
Psychologist and writer. Author of the memoir Troubled: A Memoir of Foster Care, Family, and Social Class, and of a newsletter on human nature, psychology, social class and what he calls luxury beliefs.
"If you castrate males prior to puberty, they live about as long as females. This has been demonstrated in various species...Unfortunately, the castration approach to life extension only works if it's done while you're still a boy" Related
Machine-learning researcher at Cursor working on post-training for coding models; a professor at Harvard and then Cornell from 2016 to 2026, and a researcher at Hugging Face from 2019 to 2024.
Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
Geneticist and writer on human population genetics, deep history and evolution; author of the Unsupervised Learning newsletter.
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
Vercel took its inbound sales development team from 10 people to 1.25, increased productivity by 30% & it costs just a few thousand per year in tokens. Related
Independent iOS developer and podcaster; co-hosts the Accidental Tech Podcast and Analog(ue), and makes the apps Callsheet, MaskerAid and Peek-a-View.
There are several features in Callsheet that were either inspired by or requested by literally one person. Admittedly, they’re small features, but they’re features. Ask, and don’t be an asshole about it, and you’d be surprised what an indie dev is willing to do. hachyderm.io
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Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Short What chess Elo suggests about AI's economic impact Related
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Growth tactic #13: "🎈Go anti-professional: One of the most viral LinkedIn posts of all time came from a manager who swapped her corporate headshot for a casual, no-makeup photo. Pick a norm of your own and break it in public. You might talk about how much roles actually pay or admit that a big launch didn’t actually meet internal expectations. People are tired of perfectly curated, glossy exteriors of the professional world, so a bit of human messiness will stand out." More here: lennysnewsletter.com
Quoting @lennysan 60+ creative growth ideas Everyone's running the same growth playbook: high-production launch videos, paid influencers, AEO, social, maybe some (poorly attended) events. Your competitors are in the same channels competing for the same eyeballs. But attention goes to what people don't see coming. Th… Related
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
An underrated positive externality of public transit is that it’s a honeypot for identifying everyone who’d commit a crime for literally $3. Done thoroughly, it’s a massive improvement for public order. Quoting @420joke Mamdani’s NYPD btw. This could be handled via a ticket with a fine payable to MTA, or even a summons written on the spot with a court date. Instead, officers are given permission to make custodial arrests, haul ppl into central booking, and charge them w/ A Misdemeanors over $3. Related
Author of The 4-Hour Workweek and Tools of Titans, and host of The Tim Ferriss Show podcast.
7 Quotes on Writing I hope you enjoy the following gems as much as I have… “Write to please just one person. If you open a window and make love to the world, so to speak, your story will get pneumonia.” — Kurt Vonnegut “You must stay drunk on writing so reality cannot destroy you.” — Ray Bradbury “Be regular and orderly in your life like a bourgeois, so that you may be violent and original in your work.” — Gustave Flaubert “The writer should never be ashamed of staring. There is nothing that does not require his attention.” — Flannery O’Connor “A writer is unfair to himself when he is unable… Related
Self-taught home cook and food writer who has run the Smitten Kitchen recipe site since 2006; author of four cookbooks.
A dream of a late summer, not-too-heavy chowder with fresh corn and beans, finished with salty cheese, chili powder, and a squeeze of lime juice. Baked tortilla chips on the side for all the crunch. Related
Pseudonymous reviewer who publishes measured, standardised flashlight and knife reviews at zeroair.org, including runtime, output and tint measurements.
Niwalker ES01 Three Light Flashlight Review The Niwalker ES01 Three Light flashlight has three separate heads on one body, running from one cell. It offers neutral, cool, and UV output. Read on! 🔦Niwalker ES01 Three Light Flashlight Review first appeared on Zero…
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Writer of Today in Tabs, a daily media-and-internet newsletter started in 2013; earlier founded the community site Kuro5hin.
I spent last night on a 16 hour ferry ride between Newfoundland and Nova Scotia in a full on gale, and I was well (WELL) over the legal limit on meclizine to the point where a sensation of seasickness was occurring in a body but whether that constituted “me” or not was a question for philosophers— Related
Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Non-fiction writer, podcaster and occasional TV host. Author of thirteen books including The Ghost Map, Where Good Ideas Come From and Extra Life, host of the PBS series How We Got To Now, and author of the Adjacent Possible newsletter on innovation.
Eagle Lake, above Tahoe, earlier today. Related
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
RE: https://mastodon.social/@Edent/117271435790504594 Do *none* of you have strong views on the correct encoding of HTML within an XML Atom feed???? Related
Founded Bridgewater Associates in 1975 and led it until stepping back from control in 2022. Author of Principles, The Changing World Order and How Countries Go Broke; publishes economic analysis at economicprinciples.org.
The most meaningful relationships are achieved when you and others can speak openly to each other about everything that's important, learn together, and understand the need to hold each other accountable to be as excellent as you can be. When you have such relationships with those you work with, you pull each other through challenging times; at the same time, sharing challenging work draws you closer and strengthens your relationships. This self-reinforcing cycle creates the success that allows you to pursue more and more ambitious goals. #principleoftheday Related
Founded PSPDFKit in 2011 and ran it for a decade. Came back from a break to work on AI agents — the OpenClaw project, and OpenAI, joined in February 2026. Writes at steipete.me.
Excited to have you on board, Graham! Quoting @heyneighbor I've recently joined @openclaw To help me decided what to do first I turned the fly into a skill on ClawHub The fly picks between whatever choices you give it, if you don't like the choice you can kill it with a @bugasalt If you want the fly to be your coworker you can install it here: Related
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
There's a line between whistle-blowing and yelling "fire!" in a movie theater, and I think we're now testing it... spyglass.org
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Writer on habits and decision-making; author of Atomic Habits and the 3-2-1 newsletter, and publisher of long-running book recommendation lists.
The loser has more in common with the winner than with the person sitting on the sidelines. The winner and the loser each had the courage to try. Both risked embarrassment. Both were willing to face uncertainty. Both were stubborn enough to continue. Success is endurance in disguise. It belongs to the person who can absorb the losses without absorbing the identity of "loser." It's the courage to start — and to stick with it — that is the real separator. Results tend to find the person who stays in the game. The sidelines are safe, but sterile. Nothing grows there. Related
Writer and illustrator behind Wait But Why, a long-form blog of stick-figure-illustrated explainers on science, technology and society, and author of the book What's Our Problem?
One prominent theory says that long before our fish ancestors left the water, they did a lot of this, briefly scooting from pond to pond. Slowly, some evolved to be so good at scooting around on land and breathing air that they became fully amphibious. Quoting @sciencegirl You are always one decision away from a different life Related
Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.
POV: someone is about to say something outrageous Related
Software developer who wrote Winamp and Gnutella, and now develops the REAPER digital audio workstation at Cockos.
Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.
Ran into @TheStalwart at Future Proof Related
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
"The thing every student is using... we have to make sure they use it!" Quoting @rcobooth such short-sighted cope. and young people sure don't need to pay private college tuition "to learn how to use AI" -- that is not the value proposition Related
Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.
The Clarity Act cloture vote has failed by a 49–50 margin; well short of the 60 votes needed. No Democrats crossed over to vote for the bill, and three Republicans voted against. Senator Collins’ (R-ME) NO vote on Clarity was the most surprising today. She was defending the bill to constituents as recently as last week. My guess is she did not believe the bill had a chance to pass, and was more worried about defending a yes vote as her re-election prospects look slimmer. #crypto #cryptocurrency #USpol #USpolitics crypto Related
Writer and illustrator behind Wait But Why, a long-form blog of stick-figure-illustrated explainers on science, technology and society, and author of the book What's Our Problem?
When a discussion becomes tribalized, the collective mind drops by 50 IQ points Quoting @micsolana main thing preventing us from having a productive AI safety conversation is identity. too many AI people want to be seen as intelligent by AI safety giants. too many skeptics want to be seen as critical of EA. you have to actually think. that is the only way we'll get there. Related
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.
Bircharoo is my Obsidian theme Related
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
"'Could you get it if you were rich?' This question is an elegant way to tell the difference between phony and genuine market failures. If you can fix a problem by throwing some of your money at it, the market is working." betonit.ai
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"Do you really think that the rich cannot get high-quality products? Or to put it more personally: For any given product, could you get it if you were rich?" betonit.ai
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Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.
Bircharoo is my Obsidian theme This is gonna be a short one, but I made a simple Obsidian theme. It's called Bircharoo and it's the theme I've wanted for myself. There are over 700 themes out there already, and surely one of them would get me close t…
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Artist and developer who makes esoteric software, games and tools aboard a sailboat as part of Hundred Rabbits with Rekka Bellum; creator of the Uxn virtual machine and the Orca livecoding environment.
Rolled a crit at the thriftstore. #theLibrary Related
Mathematician and maker of the 3Blue1Brown YouTube channel, which explains mathematics through animation. Creator of the open-source Manim animation library and founder of the Summer of Math Exposition.
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
Just a few of the growth ideas inside Quoting @lennysan 60+ creative growth ideas Everyone's running the same growth playbook: high-production launch videos, paid influencers, AEO, social, maybe some (poorly attended) events. Your competitors are in the same channels competing for the same eyeballs. But attention goes to what people don't see coming. Th… Related
American author of The Obstacle Is the Way, Ego Is the Enemy and Stillness Is the Key. Writes the Reading List book-recommendation email (started 2008) and owns The Painted Porch bookstore in Bastrop, Texas. Hosts The Daily Stoic podcast.
How to Get More Out of Every Book You Read Sign up and join us at https://t.co/kcLi9BVU76 before September 21 to get invited to a live Q&A with me Related
Machine-learning researcher on open language models; writes the Interconnects newsletter and the RLHF Book, after leading post-training at Ai2.
An basic idea in scaling RL: Can we allocate more compute to the harder problems? We did this: If your GRPO group has all wrong completions, sample more with probability P (~0.9) -- in search of more GRPO batches with nonzero gradient. It works! The paper: arxiv.org
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Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.
Cute that twitterX has updated some obscure UI around search parameters like from:, until:, even quoted_user_id a ball knower is working in product Related
Technical educator, conference speaker and developer relations engineer based in Ottawa, Canada. Author of the Anubis bot filter and of over 400 articles at xeiaso.net.
Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
the woman who makes the pastries at kope is a celebrity to me Related
Machine learning engineer and independent AI consultant. He writes about LLM evaluation, tooling and applied ML at hamel.dev, and previously worked on machine learning at GitHub.
Just updated our AI evals FAQ with 5 new questions, 48 questions & answers total! New FAQs just added: - Do I need a reference answer or rubric before annotating data? - How can I do evals when traces contain sensitive data? - How do you review a trace that is really large? - How much context should I give a LLM judge? - What should I do when my “gold” eval dataset becomes stale? It's all here: hamel.dev
LLMs Related
Writer and creator of Daring Fireball, a long-running blog about Apple and technology; co-created Markdown and hosts The Talk Show.
Writer and novelist. Publishes essays and book notes at nateliason.com; author of the novel Husk and of Crypto Confidential.
A few highlights from week 1! Quoting @alpha_founders We are in week 2 of Founders School. But so much happened in week 1! Recap time 🔄 Related
Software architect and futurist; founded ClariNet, chaired the EFF, and has written about robocars for two decades.
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
Checked in to Civo Tech Junction, 32-37 Cowper St, United Kingdom OpenBenches ❤️ London Web Standards. — with Andy swarmapp.com
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Writer and developer; runs Waxy.org, co-organises the XOXO festival, and was the first CTO of Kickstarter.
Thinky Dailies — charming ever-changing collection of free daily puzzles, now in its fourth season Related
Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.
Check whether you are registered to vote. You can play a role in preserving our centuries-old institution of government by and for the people! How exciting is that. Quoting @barackobama.bsky.social The right to vote is one of the most fundamental parts of our democracy. Check your voter registration at IWillVote.com and make a plan to vote early or on Election Day on November 3. government Related
Swedish designer and programmer. Designed early Spotify, worked at Facebook and Figma, and created the Inter typeface.
Installed macOS 27 on a MacBook and I'm not sure if this is some kind of twisted joke or just incompetence. The contrast of window controls (for both active and inactive windows) is so bad that even a sugar-jolted 25-year old can tell. Related
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
Don’t use AI to save yourself time by wasting someone else’s. Quoting @shaneparrish Lazy work used to mean too little output. Now, with AI, it often means too much and more work for everyone else. @tobi call it "slop grenades." A "Slop Grenade" is when you let AI produce the work and pass it on without adding any value (including checking it). Someone else has to wade through it,… Related
Author of The 4-Hour Workweek and Tools of Titans, and host of The Tim Ferriss Show podcast.
“Start where you are. Use what you have. Do what you can.” — Arthur Ashe Related
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
Absurdly optimistic, but not as absurd as the pessimism of AI doomers. At least lots of smart people will be TRYING to use AI to cure disease. Quoting @pmddomingos If AI will cure all diseases within a decade, slowing it down is mass murder. Related
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
Bluesky We're kicking off a new series on MacStories today: Our favorite indie apps for iOS 27. Check it out: macstories.net
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Mastodon We're kicking off a new series on MacStories today: Our favorite indie apps for iOS 27. Check it out: macstories.net
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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Excited to formally introduce Vercel Labs. https://t.co/zCNVryaiin is the home for the in-public research and experimentation arm of Vercel. 247 million downloads in, we wanted to, also in public, share what we're supporting, what we're researching, and what experiments didn't pan out. Kudos to @ctatedev and @cramforce for shaping this great initiative and iterating in public. Related
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Author of The 4-Hour Workweek and Tools of Titans, and host of The Tim Ferriss Show podcast.
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
There’s an impulse in American politics, a set of tactics and drives that has proven very effective at extinguishing speech. We once called it McCarthyism. Another time we called it Wokeism. One day in the future we will have some name for the campaign that is underway against all people who believe in serious AI risks, and whatever that name ends up being, it will be yet another name for that old impulse. It’s an ugly one. I recommend you avoid being a part of it, no matter your politics or your thoughts on AI. I suggest you think for yourself. You really do want to worry about the state pro… America Related
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
Hire a hack, get a hack job. Quoting @nypost '60 Minutes' has its worst ratings in more than 25 years after staff shakeup Related
American author of The Subtle Art of Not Giving a F*ck and Everything Is F*cked. Writes essays and book reviews at markmanson.net.
Short How to Get the F*ck Over It Related
Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
Ayn Rand Center to be built in Austin. TX. Very cool! Related
Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
also most anxiety is not “felt.” you don’t need to feel anxious to be anxious. which is why you get the most neurotic uptight people insisting “they aren’t anxious.” it’s a clenching/bracing thing not a racing heart Quoting @noampomsky it is crazy the extent to which procrastination is purely an anxious behavior. the less anxious I am over time, the less I procrastinate on literally everything. It doesn’t even occur to me to wait (“why deal with it later when I could deal with it now”) Related
it is crazy the extent to which procrastination is purely an anxious behavior. the less anxious I am over time, the less I procrastinate on literally everything. It doesn’t even occur to me to wait (“why deal with it later when I could deal with it now”) Related
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
Anyway, Moby Dick rules. Quoting @TheLincoln Sorry this is very embarrassing. Why write about a literature you haven't read at all? American novels have one of the strongest comedic traditions that runs from Mark Twain to Percival Everett. And if you don't Moby-Dick is hilarious you should probably try reading the book Related
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Equity investors sell the dream; bond investors price the funeral. Here’s what they’re charging those undertaking the now debt-financed DataCenter Rush: **Debt & DataCenters: CHART OF THE DAY** FaceBook bankrupt in one scenario in fifteen in five years? SpaceX & Oracle one in six? That appears to be what those willing to lend to FaceBook right now are thinking... https://braddelong.substack.com/p/hyperscaler-debt-default-risk > 2026-09-15 data centers Related
Product designer and entrepreneur; author of Mobile First and Web Form Design; formerly a product director at Google; now building AI products.
technology limits are temporary. Related
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.
When playing games on niri I noticed some games don't lock your mouse cursor to your monitor. I didn't want to use Gamescope so I stumbled upon a way to do this natively in niri without needing any tools. This post provides a general purpose solution. nickjanetakis.com
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Engineering manager who has worked at Apple, Netscape, Slack and Palantir; writes as Rands at randsinrepose.com and wrote Managing Humans.
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
x.com Kat uses career envy as a signal. If someone's path makes you jealous, that is data about what you want. Kat Excellence writes at https://t.co/RoNpJ113Fq Full episode: Related
YouTube Short Use career envy as a signal Related
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
Boooo. I did try and get it back once. I wonder if we could still make that work. chriscoyier.net/2024/02/28/w... I’m down to find a win-win situation, DO. Call me. 🤙 Quoting @geoffgraham.me 📝 Why CSS-Tricks Has Been Quiet Lately (cc: @digitalocean.com @css-tricks.bsky.social ) geoffgraham.me/why-css-tric... Related
American author of speculative fiction, including The Paper Menagerie and the Dandelion Dynasty series, and translator of Chinese science fiction. Also a programmer and lawyer.
Help fund the next chapter of LIGHTSPEED & NIGHTMARE. Lightspeed has been such a big part of my career, and I've enjoyed so many stories from them over the years. Quoting @lightspeedmagazine.com The 2026 LIGHTSPEED + NIGHTMARE Kickstarter is NOW LIVE! Check out our star-studded lineup of authors & peruse our rewards: subscriptions, signed books, rare magazine collectibles, t-shirts, mugs, and other fun stuff. Thank you in advance if you're able to offer your support.💖 bit.ly/LS-NM-26 Related
German developer; founder and lead developer of Mastodon, the decentralized open-source social network.
Some random man just walked into our house, up a floor, to tell our electrician to move his van. What the fuck. Related
Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
Imagine the Department of War tweeting "Utilitarians in shambles! Kantians on the run!" No philosophy has ever mattered enough to be attacked by the government. Until EA. Amazing success. Quoting @DoWCTO Effective altruists in shambles. 🇺🇸 government Related
Clinical psychologist, EMDR consultant and yoga teacher in Boulder, Colorado. Author of The Complex PTSD Workbook and EMDR Therapy and Somatic Psychology; writes on trauma, attachment and the nervous system.
Check out my latest yoga class on YouTube - Vagus Nerve Yoga: Own Your Story At a Physical level, this class invites some challenging balance postures that are both grounding and an invitation to celebrate your aliveness. Related
Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.
Soccer players are so cute thinking they have agency, when really they are mere drifting particles in a time-dependent potential. Quoting @arxiv-soc-ph.bsky.social The Effective Gravitational Field of the Ball in Association Football Related
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
Reposting for pub day: Quoting @TheLincoln I reviewed EXIT PARTY by Emily St. John Mandel for @nytimesbooks This Novel Asks: Who Will You Be at the End of the World? https://t.co/02wPY11WkF @AAKnopf Related
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
There are nearly an infinite range of outcomes here between being fine and being dead... spyglass.org
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American author of The Subtle Art of Not Giving a F*ck and Everything Is F*cked. Writes essays and book reviews at markmanson.net.
I've said it for years: video games are massively underrated. Unlike TV or phones, the data on people who play videos games casually is surprisingly good. It's people who are addicted to them and play them compulsively that give them a bad reputation. Quoting @anishmoonka Playing Super Mario 64 for 30 minutes a day for two months physically grew the brains of the people who played it. A 2014 study in Molecular Psychiatry scanned participants before and after two months of daily play and found increases in grey matter in three regions involved in memory, planning, an… Addiction Related
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
Short The iPhone 7 Moment for AI Related
Data scientist and machine-learning researcher; chief scientist at bitly, founder of Fast Forward Labs and Hidden Door.
It seems like there's a wave of cool advent calendar design (LEGO! jams! puzzles!), but do any companies make a version that isn't anchored on Christmas? Related
Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
"Humans take responsibility. Machines can help us take more responsibility because they can inform us better." How do we use AI to make better decisions? @tobi says 'Creating human-in-the-loop decision surfaces is a way to describe the ideal environment.' "If I need a really important decision made, and I really need it ex-exceptionally good, give me the most neutral ground truth." Quoting @shaneparrish My third conversation with Shopify co-founder and CEO @tobi. 0:00 How Shopify Uses AI 7:18 River: Shopify's Internal AI 8:55 How to Encourage Osmosis Learning 10:52 AI Dreaming and Self-Reflection 11:53 How to Use AI for Strategic Decision Making 14:11 The One Thing AI Cannot Do 16:04 What AI is Ma… Related
Mathematical biologist; Senior Lecturer in the Department of Mathematical Sciences at the University of Bath and author of The Maths of Life and Death and How to Expect the Unexpected.
x.com Delighted that my friend and colleague Alex Bellos has been awarded the 2026 Christopher Zeeman medal for communicating mathematics. Well done Alex. Here we are at the recent opening of Maths World in London alongside the excellent Alexander Masters. Related
Bluesky Delighted that my friend and colleague Alex Bellos has been awarded the 2026 Christopher Zeeman medal for communicating mathematics. Well done Alex. Here we are at the recent opening of Maths World in London alongside the excellent Alexander Masters. lms.ac.uk
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Design engineer; formerly at Linear and Vercel; author of Sonner and Vaul; teaches animations.dev.
Entrepreneur and founder of Blueprint. Publishes a detailed, freely available longevity protocol documenting the food, supplements, devices and measurements he uses on himself.
Being mean makes one old and ugly. Related
Writer of Lenny's Newsletter and host of Lenny's Podcast, covering product, growth and career in tech. Previously a product lead at Airbnb. Also an angel investor and advisor.
60+ creative growth ideas Everyone's running the same growth playbook: high-production launch videos, paid influencers, AEO, social, maybe some (poorly attended) events. Your competitors are in the same channels competing for the same eyeballs. But attention goes to what people don't see coming. The unexpected gets shared for free, remembered for months, and usually costs less than one week of ad spend. @TomOrbach has dedicated his life to collecting creative growth ideas that worked. Every time he sees a startup do something clever, it goes on the list. Here are his 64 best, sorted by what y… lennysnewsletter.com
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Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Technical educator, conference speaker and developer relations engineer based in Ottawa, Canada. Author of the Anubis bot filter and of over 400 articles at xeiaso.net.
For those who were wondering: my total write time for this article was 16 hours not including research and development. The diagram format is a complete experiment. Hope you all like it! Quoting @tigrisdata.com If our objgit post was so good last time, where's objgit post 2? Today we have an update on the epic saga of Xe reinventing Git storage on top of object storage: making seek-native packfiles. What does this mean? Well, git is complicated. Huddle into this thread! Related
Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
Partner at Collaborative Fund and author of The Psychology of Money, Same As Ever and The Art of Spending Money. Writes essays on investor behavior and posts frequently on X.
Albert Einstein with the optimistic take on nuclear war - the last new technology threatening to wipe us out. Related
Bulgarian-born writer and founder of The Marginalian (formerly Brain Pickings), a reader-funded blog on books, science, art and philosophy running since 2006.
J.R.R. Tolkien on How to Fall in Love with Life In 1964, Pantheon Books invited J.R.R. Tolkien (January 3, 1892–September 2, 1973) to write an introduction to George MacDonald’s The Golden Key, which he had praised in Tree and Leaf — the small, splendid essay collect…
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Swedish open source developer; creator and lead maintainer of curl and libcurl, and a co-founder of the Rockbox project.
Fastly reports they see requests with #curl in the user-agent at roughly 7 million requests/sec. Related
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
A new fast_float release... fast_float is a super fast number parser in C++ (used by GCC, MySQL, your browser...). The latest release adds support for parsing numbers following the JavaScript standard, so things like 05.1 can be accepted (!!!). JavaScript Related
Programmer and technology writer known for his long Mac OS X reviews at Ars Technica; co-hosts the Accidental Tech Podcast and Hypercritical.
After being bounced back and forth multiple times between regular Apple support and Apple Developer support, both claiming that this is the other party's problem to solve, I am now looking for anyone at Apple who can put me in touch with the folks that control the system that "locks" Apple Accounts for security reasons. The Apple Account locking system is a thing that exists! Someone controls/manages it! Please let me talk to them! See this thread for context: Related
Software design writer and chief scientist at Thoughtworks; wrote Refactoring and Patterns of Enterprise Application Architecture.
Nail the Narrative Sumeet Gayathri Moghe finds many folks building presentations get tangled in building slides without a coherent narrative. He advises distilling the big idea, visualizing the audience, and building a structured storylin…
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Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.
Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?
if I had this I could finish so many songs www.roland.com/global/produ... Related
Economics professor at George Mason University and author of The Myth of the Rational Voter, Selfish Reasons to Have More Kids, The Case Against Education and Open Borders. Writes Bet On It.
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
Sorry this is very embarrassing. Why write about a literature you haven't read at all? American novels have one of the strongest comedic traditions that runs from Mark Twain to Percival Everett. And if you don't Moby-Dick is hilarious you should probably try reading the book Quoting @alysdenby The Great Flatsby: why American novels aren’t funny 🇺🇸😐 ✍️ me in @spectator America Related
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
Founder and editor of ToolGuyd, a tool review site covering power tools, hand tools, workshop equipment and EDC gear. He writes under his first name on the site.
Austrian developer. Created the libGDX game framework, and more recently the pi coding agent, which moved with them to Earendil — Armin Ronacher's company — in April 2026. Writes at mariozechner.at.
Researcher of social media, privacy and youth culture; founder of Data & Society and author of It’s Complicated.
Experts from academia and civil society regularly work for govt agencies for short periods to help them succeed. But Trump2 went further, installing partisan operatives to conduct projects to venerate the president. They're undermining the legitimacy of the agencies. wired.com
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Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.
Short Peter Singer of factory farming Related
Co-founder and CEO of OpenAI; previously president of Y Combinator.
big 🚢 this week and then for devday 🚢🚢🚢🚢🚢🚢 Quoting @thsottiaux This week will also be a level of ships that you could have expected for DevDay 2025. Crazy Related
Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.
In this excerpt from my conversation with Jack Symes, we discuss chickens, factory farming, and what our appetite for cheap meat asks us to ignore. Watch the full conversation, “Is Eating Animals (Always) Wrong?”, on YouTube. Videos: @weanimals.bsky.social Related
Founder and editor of ToolGuyd, a tool review site covering power tools, hand tools, workshop equipment and EDC gear. He writes under his first name on the site.
Front-end web developer at Paravel and co-host of the ShopTalk Show podcast; blogs at daverupert.com.
I think what gets me the most about this whole "AI is going to destroy humanity" narrative is that the entire scenario was already meta-gamed by science fiction authors on typewriters in the 1930s and 40s before what we know as a computer even existed. Related
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Machine learning engineer and consultant focused on RAG and retrieval systems. He writes about applied AI engineering at jxnl.co and is the author of the instructor library.
He’s part of the culture now. Quoting @nicoletang0717 When Tibo says “reset” and "pause"... Related
Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.
Always love to sit down with @shaneparrish for in depth conversations. Quoting @shaneparrish My third conversation with Shopify co-founder and CEO @tobi. 0:00 How Shopify Uses AI 7:18 River: Shopify's Internal AI 8:55 How to Encourage Osmosis Learning 10:52 AI Dreaming and Self-Reflection 11:53 How to Use AI for Strategic Decision Making 14:11 The One Thing AI Cannot Do 16:04 What AI is Ma… Related
Front-end web developer at Paravel and co-host of the ShopTalk Show podcast; blogs at daverupert.com.
I duct taped a uzi to a bunch of Large Language Models and instructed them how to be very good at blastin' people with an uzi and I think AI is going to destroy humanity. LLMs Related
Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.
Full credit to @harrybrundage for coining the term Slop Grenade. Let’s make it a thing. Quoting @shaneparrish Lazy work used to mean too little output. Now, with AI, it often means too much and more work for everyone else. @tobi call it "slop grenades." A "Slop Grenade" is when you let AI produce the work and pass it on without adding any value (including checking it). Someone else has to wade through it,… Related
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
Checked in to The Open Data Institute, Kings Pl, York Way, United Kingdom Here for the #OpenActive committee meeting. Data Standards to improve people's experience of healthy physical exercise 😃 swarmapp.com
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Cognitive scientist and long-standing critic of deep learning's claims; writes Marcus on AI and wrote Rebooting AI.
Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.
President of the French Republic since 2017.
Très fier de rencontrer à Orange les jeunes de la première promotion du Service national. Se former. Faire corps. Se dépasser. Servir la France. Pour cette année de lancement, 3000 jeunes volontaires de 18 à 25 ans serviront pendant dix mois sous l’uniforme, avec le statut militaire. Face au retour des menaces, nous continuons de renforcer nos armées. En dix ans, leur budget aura doublé. Nous renforçons aussi notre capacité à tenir ensemble. En assurant des missions utiles à notre défense, le Service national y contribue. Il rapproche notre jeunesse de ses armées et donne à une génération les… English, from French Very proud to meet the young people of the first cohort of National Service at Orange. To train. To bond. To push themselves. To serve France. For this launch year, 3,000 young volunteers aged 18 to 25 will serve for ten months in uniform, with military status. Faced with the return of threats, we continue to strengthen our armies. In ten years, their budget will have doubled. We are also strengthening our ability to stick together. By carrying out missions useful to our defense, National Service contributes to this. It brings our youth closer to its armies and gives a generation the…
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Technical educator, conference speaker and developer relations engineer based in Ottawa, Canada. Author of the Anubis bot filter and of over 400 articles at xeiaso.net.
The cylinder must remain unharmed Related
Founder and editor of ToolGuyd, a tool review site covering power tools, hand tools, workshop equipment and EDC gear. He writes under his first name on the site.
Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
Lazy work used to mean too little output. Now, with AI, it often means too much and more work for everyone else. @tobi call it "slop grenades." A "Slop Grenade" is when you let AI produce the work and pass it on without adding any value (including checking it). Someone else has to wade through it, catch the mistakes, and clean up the mess. You save time and look productive but someone else pays for it. Quoting @shaneparrish My third conversation with Shopify co-founder and CEO @tobi. 0:00 How Shopify Uses AI 7:18 River: Shopify's Internal AI 8:55 How to Encourage Osmosis Learning 10:52 AI Dreaming and Self-Reflection 11:53 How to Use AI for Strategic Decision Making 14:11 The One Thing AI Cannot Do 16:04 What AI is Ma… Related
Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.
A founder of a startup I funded had these brass plaques made to put up over his and his cofounder's desks. (He's Build Stuff, she's Talk to Users.) startups Related
Essayist, journalist and independent researcher on Chinese politics, strategy and cultural history; author of the blog The Scholar's Stage.
What? Book 9 of the Iliad? Oedipus Rex? Quoting @ilikeadamsmith imo one of the most striking things abt ancient greek thinkers in general is how unproblematic existence is for them. the angst about death, impermanence, finitude, meaning, etc that animates so much of the abrahamic tradition is totally absent from the greek systems except Related
AI research engineer working on large language models. He writes the Ahead of AI newsletter and is the author of Build a Large Language Model (From Scratch).
Some food for thought when designing benchmarks... So, here's a little computer-use (visual) comparison between GPT-5.6 Astra and Qwen3.8 Max. The task here was to recreate the image in the center using the Paint UI. Super interesting how the two different LLMs+Harnesses approached this totally differently by default. I.e., Astra tried to approach this by drawing and layering geometric shapes. Qwen approached this pixel by pixel. (Of course, the pixel-by-pixel result looks closer to the original, it's essentially a low-res version of that by nature.) So, the Qwen-generated image would surely… LLMs OpenAI Related
Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.
Did you know Lee Kuan Yew inadvertently kickstarted this SF queer Asian group? in 1987, Singapore’s Internal Security Department arrested one of Madeline Lim’s collaborators for an alleged ‘Marxist Conspiracy’, and so she fled to the USA, where she then started SAMBAL Quoting @SanguineNebula I know the Lao Gan Mas is a joke but speaking of queer condiments: Related
American author of The Subtle Art of Not Giving a F*ck and Everything Is F*cked. Writes essays and book reviews at markmanson.net.
You don’t need motivation. You need a higher pain tolerance. Related
Essayist, journalist and independent researcher on Chinese politics, strategy and cultural history; author of the blog The Scholar's Stage.
This is very good analysis. 100% endorse. “ The bottom line is things are moving fast, and I’d bet neither Washington nor Beijing yet know quite what to think about dialogue, what it can produce, and what it cannot.” Quoting @RushDoshi A slight elaboration on this theme: What is published in the People’s Daily or Global Times or China Daily certainly matters. But the recent articles in those outlets that we are all reading have a more near-term political purpose than to tell us what China thinks about AI dialogue. I suspect that… China America Related
American author of The Obstacle Is the Way, Ego Is the Enemy and Stillness Is the Key. Writes the Reading List book-recommendation email (started 2008) and owns The Painted Porch bookstore in Bastrop, Texas. Hosts The Daily Stoic podcast.
“What made being alive almost worthwhile for me . . . was all the saints I met, who could be anywhere. By saints I meant people who behaved decently in a strikingly indecent society." — Kurt Vonnegut Related
Product discovery coach; wrote Continuous Discovery Habits and writes Product Talk.
Writer and teacher on productivity and personal knowledge management. Author of Building a Second Brain and founder of Forte Labs, which runs the course of the same name.
Last call! Enrollment for Cohort 2 of The AI Second Brain closes tonight at midnight PT Our next (and last) cohort this year starts Thursday Here's what you'll walk away with: • Stop re-explaining yourself to every new AI chat. Build one document it reads first, so it already knows you • Connect AI to your notes and files safely, so its answers come from your real situation, not a guess • Get every file and note organized once, synced everywhere, so you stop hunting for the right document • Capture your best ideas the moment they happen, so nothing gets buried in your inbox or forgotten by Fr… Related
Co-founder, chairman and chief investment officer of Ritholtz Wealth Management. Hosts the Masters in Business podcast for Bloomberg and wrote How NOT to Invest.
American author of The Subtle Art of Not Giving a F*ck and Everything Is F*cked. Writes essays and book reviews at markmanson.net.
Short My Team's Most Unhinged Life Advice Related
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Our computers represent tiny tiny numbers in a form called 'subnormal'. They have a reputation for causing performance problems... but my results indicate that on recent processor architectures, they may only cause a problem for Intel. Related
President of the European Commission since 2019; previously Germany's defence minister.
Once again, Europe woke up to reckless and dangerous Russian behaviour. A Russian warship fired emergency flares dangerously close to a Danish helicopter. A drone entered Lithuanian airspace before being destroyed by NATO fighter jets. These are not isolated incidents. They are part of a broader pattern of Russian aggression and provocation against Europe, testing our readiness and our resolve. Russia will find our resolve only growing stronger. We are reinforcing our collective deterrence and defence, together with NATO. And we are stepping up the pressure on Russia. Europe Russia Related
Management writer; co-author of In Search of Excellence (1982) and author of The Excellence Dividend.
I get so frustrated by most of our crosstalk. It’s so basic. Don’t hire—OR EVER PROMOTE—jerks or assh***, even with 2X Mensa IQs. Related
Experimental psychologist and author of the blog Experimental History, on psychology, science reform and creativity.
British comics writer and novelist (Transmetropolitan, Planetary, The Authority, Gun Machine). Keeps a public daily notebook logging what he reads, watches and listens to.
15sep26 New pens have arrived. Pigma Microns, Pentel Energels, a Uni-ball Signo 207, WRITECH Space-Up, and a new Drehgriffel gel pen. OPERATIONS: sprint week continues READING:
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Author and journalist writing on food, plants and consciousness. Professor at UC Berkeley and co-founder of its Center for the Science of Psychedelics.
Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.
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Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
Neuroscientist and novelist writing on consciousness, artificial intelligence and culture in the newsletter The Intrinsic Perspective.
Writer of the personal-finance blog Of Dollars And Data and author of Just Keep Buying and The Wealth Ladder. Chief Operating Officer at Ritholtz Wealth Management.
x.com The optimal portfolio of the last 54 years had 36% U.S. housing. Run the same optimizer only through 1998 and U.S. housing doesn't appear at all. My latest on the best portfolio over the last 50 years (and why it's an illusion): ofdollarsanddata.com
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Blog What Was the Best Portfolio Over the Last 50 Years? A few months ago, I analyzed U.S. stock returns over the last century. Today, I'm going to determine the best portfolio over the last 50 years among the following asset classes: U.S. Stocks International Stocks Real Est…
America Related
Art critic, broadcaster and author; wrote on art for The Independent and The Sunday Telegraph and presents BBC art documentaries. Author of Caravaggio: A Life Sacred and Profane.
I'm excited to be appearing at Gloucester History Festival this Autumn - you can catch me on the 20th Sept at 4pm, at Blackfriars Priory. https://t.co/9kwJ2iJTr8 Come along and say hello—I can't wait to see you there! @gloshistfest #GlosHistFest26 Related
Former option trader and risk analyst, now a distinguished professor at NYU. Author of the Incerto essay series, including The Black Swan and Fooled by Randomness.
Zalloua @PZalloua while visiting The Republic of Amioun nervously preparing for the debate. Quoting @nntaleb Preparing for a discussion on the "Evolution of Lebanese Identities" Sept 17, at the Corm Palazzo, with @AlbertKostanian and @PZalloua. @Grok cher ami, please provide a bibliography for the below. Related
British open-standards and open-source technologist, formerly of the UK Government Digital Service and the W3C Advisory Committee. Blogs at shkspr.mobi, where he posts a book review most weeks.
[RSS Club] Sorry for breaking your feed readers! You're part of the Groovy Gang because you're a member of RSS Club! These posts are only available on my RSS and Atom feed. This post is not available in the shops, on the web, via FTP, or anywhere else. So, yeah, sorry…
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President of the French Republic since 2017.
Catherine Ringer avait fait de sa voix un théâtre et de chaque chanson une liberté. Avec Fred Chichin, elle avait donné aux Rita Mitsouko un son et des couleurs sans pareils. Elle était inclassable, irrévérencieuse, profondément française. Elle danse. Elle rayonne. Elle manquera. English, from French Catherine Ringer made her voice a theatre and each song a freedom. With Fred Chichin, she gave Les Rita Mitsouko a sound and colours like no other. She was unclassifiable, irreverent, profoundly French. She dances. She shines. She will be missed.
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Founder of Farnam Street (fs.blog) and host of The Knowledge Project podcast. Writes and curates on decision-making, mental models and rational thinking.
My third conversation with Shopify co-founder and CEO @tobi. 0:00 How Shopify Uses AI 7:18 River: Shopify's Internal AI 8:55 How to Encourage Osmosis Learning 10:52 AI Dreaming and Self-Reflection 11:53 How to Use AI for Strategic Decision Making 14:11 The One Thing AI Cannot Do 16:04 What AI is Making Worse at Shopify 19:46 Predictions: Where AI is Headed Next 21:55 The Future of AI-Powered Software 24:40 Will CEOs Be Replaced with AI? 27:54 Can Superintelligence Be Controlled? 31:13 Critical Skills in AI Age 34:22 Why Complex Solutions are Usually Wrong 36:33 Conditions Needed for True Intu… AI alignment Related
CEO of Positive Sum and founder of Colossus. Hosts Invest Like the Best, interviewing investors and business leaders; the guests do most of the talking there.
Today’s going to be a good day Related
Indian software developer and prolific blogger on PHP, Laravel and JavaScript; open-source enthusiast publishing near-daily at amitmerchant.com.
Just came across this cute little library by @nilbuild to add an interactive mascot on your site in just 4 lines of code! 👌 → Related
Writer and former McKinsey/BCG strategy consultant; author of The Pathless Path and Good Work, about leaving the default career track. Publishes the Boundless newsletter and podcast.
honestly the people working in ai research seem to be working almost non-stop - do any of them take vacations? I feel like these companies should be nudging people to take sabbaticals so they don't absolutely burn out Related
Economist; writes In My Tribe, and wrote The Three Languages of Politics.
Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
Investing Quote of the Day: "While catching up on the news is merely depressing to the citizen who has no stocks, it is a dangerous habit for the investor." - Peter Lynch Related
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
These are the things in order I'll do: 1. Something for Friends & Family. 2. My Urgent Debts. 3. For those who in need! Quoting @rutu609 If you suddenly received ₹10 lakh today, what would you do with it? Related
British historian, Professor of Global History at the University of Oxford; author of The Silk Roads and The Earth Transformed.
1-2 days longer than he thought would be the case for Ukraine, in other words. Quoting @spectatorindex Putin adviser Nikolai Patrushev says the state of Poland would cease to exist within two to three days if it entered a war against Russia. Related
Economic historian at Columbia; writes Chartbook on economics, geopolitics and history, and wrote Crashed and The Deluge.
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
Into the Universe with Stephen Hawking in Tamil! ❤️ Quoting @Fikarnot_Aditi If someone paid u $10,000 to watch one TV show for 48hrs wat show u picking 🤔 Related
Criminal defence lawyer in New York; writes Simple Justice, mostly about how criminal law works in practice rather than in theory.
Tuesday Talk*: AI, AI, AI, The Hoax The CEOs of the major Artificial Intelligence companies say it’s a potential existential threat to humanity. The president’s statement followed a weekend essay from Dario Amodei, the chief executive of Anthropic, callin…
Anthropic Related
Security technologist and author of books including Applied Cryptography and Data and Goliath; writes the Schneier on Security blog and the monthly Crypto-Gram newsletter.
Indian technology consultant and writer. Former editor of Beautiful Pixels; writes about Apple hardware and Mac software at nuclearbits.com.
Good to see Apple bundling Apple TV and Apple Arcade into the iCloud+ subscription at no extra cost, but I wasn't ready for the discontinuation of individual subscriptions or Apple One itself. Also smart of them to include Apple Music Select but not the whole catalogue and features. Related
Programmer and writer on computer architecture, performance, and software reliability. He has worked on CPU design at Centaur Technology and on software at Google and Microsoft, and writes long-form technical essays at danluu.com.
Bluesky Interesting to see Steve Yegge say he never successfully built anything with Gas Town. I mentioned not finding these super vibed orchestrators useful because the reliability was too low (w.r.t. completing non-trivial tasks). Turns out the author of the most famous one had the exact same issue. Quoting @danluu.com Agentic test processes, LLM benchmarks, and other notes on agentic coding from Galapagos Island: danluu.com/ai-coding/ Related
Mastodon Interesting to see Steve Yegge say that he never successfully built anything with Gas Town (other than Gas Town). In https://danluu.com/ai-coding/, I mentioned not finding any of these super vibed orchestration frameworks useful because the reliability was too low (in terms of them actually getting agents to complete a non-trivial task). Turns out the author of the best known of these frameworks had the exact same issue. Related
British software developer at Laravel and creator of the Cachet open-source status page system. Podcaster; writes at james.brooks.page.
is @johnternus running ms teams? Quoting @DEADLINE Apple CEO John Ternus shows the new iPhone Duo | #Emmys Related
Marketing author and daily blogger; founder of the altMBA and the Akimbo workshops, and author of books including Purple Cow and This Is Marketing.
Maps and a compass Maps are easy to sell. If you know where you are and where you’d like to go, the map solves your problem. Maps are all around us: how-to, what-to, step-by-step. The compass is more resilient but less descriptive. It shi…
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Professor of economics at George Mason University and Bartley J. Madden Chair at the Mercatus Center. Co-writes the blog Marginal Revolution and co-authors the textbook Modern Principles of Economics with Tyler Cowen.
Only in San Francisco. Quoting @lennysan Best SF billboard goes to this estate planning lawyer Related
British historian, Professor of Global History at the University of Oxford; author of The Silk Roads and The Earth Transformed.
AI spoiler alert from 56 years ago Quoting @vashikoo Colossus: The Forbin Project (1970) This underrated sci-fi thriller didn’t just imagine AI taking over, it shows exactly how humanity loses control…and never gets it back. Related
Writer and former McKinsey/BCG strategy consultant; author of The Pathless Path and Good Work, about leaving the default career track. Publishes the Boundless newsletter and podcast.
I think the most interesting thing about the business world is that it presents infinite things that “make sense” based on profit and then as a person you need to figure out where your lines are, ethically and morally and then also the ultimate test - what you won’t regret Related
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
Something, something, Apple TV is the new HBO... Quoting @DiscussingFilm Most awarded networks at the 2026 Emmys: • Apple TV - 28 • HBO/Max - 21 • Netflix - 16 • Prime Video - 10 • NBC - 8 • Peacock - 7 • Disney+ - 6 • CBS - 6 • FX/Hulu - 3 See the full winners list... Related
Programmer and writer; co-founder of Stack Overflow and Discourse, and author of the Coding Horror blog, which he has written since 2004.
So you're saying people aren't very good at asking questions, and thus get bad answers? Interesting. 🤔 indicator.media
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British software developer at Laravel and creator of the Cachet open-source status page system. Podcaster; writes at james.brooks.page.
New release of the @laravel Forge GitHub action is available, with support for the new API. github.com
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Mathematical physicist at UC Riverside. Wrote This Week's Finds in Mathematical Physics and now the Azimuth blog on mathematics, physics and environmental science.
Imagine thinking you had a good 20 years ahead of you. You go to the doctor for an annual physical, she does some tests, then comes back with a long face and says "I'm sorry to say: you have just 2 months to live". That's what just happened here. While planets in the inner Solar System are believed to have orbits that are unstable in the long term, astrophysicists thought the outer planets could last ~100 billion years before being picked off by other stars flying past, and other effects. But recently, we've learned something that changes this story. As red giants lose their mass by puffing o… solar Related
Former option trader and risk analyst, now a distinguished professor at NYU. Author of the Incerto essay series, including The Black Swan and Fooled by Randomness.
People are finally talking about Lp(a) but not figuring out the next step, CONDITIONING risk factors; i.e. considering that people with healthy Lp(a) may NOT need statins. nntaleb.substack.com
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Founder and chief executive of Replit. Previously an engineer at Facebook and Codecademy. Writes essays on programming, philosophy and entrepreneurship at amasad.me.
The AI naming curse strikes again. “AI Safety” firm made AI unsafe. “Effective Altruists” are both ineffective and enabling criminal activity. “Irregular” is regularly incompetent. Quoting @brianchau57 BREAKING: A single Israeli Effective Altruism firm is behind OpenAI, Anthropic, and Meta cyberattacks 🧵 with help from @lumpenspace AI alignment Related
Economics professor at the University of California, Berkeley and a former Deputy Assistant Secretary of the US Treasury. Author of Slouching Towards Utopia and writer of the Grasping Reality newsletter.
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Distributed-systems safety researcher; runs the Jepsen consistency-testing project and wrote the Riemann monitoring system.
Covered in cigar ash, spit, beer, piss, sweat, and happy as a fuckin clam. What a ride. 🥰 Related
Programmer, photographer and musician, best known for the Python Requests HTTP library and other Python tooling.
Experimenting with making a little portable Requests–inspired Python module, called https://t.co/gzrf4pmNOY. Just for fun. github.com
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Non-fiction writer, podcaster and occasional TV host. Author of thirteen books including The Ghost Map, Where Good Ideas Come From and Extra Life, host of the PBS series How We Got To Now, and author of the Adjacent Possible newsletter on innovation.
Someone should write a book about how video games are making us smarter. 😉 Quoting @BrandonLuuMD Frequent video gamers performed on cognitive tests like non-gamers that were ~13.7 years younger Related
Bulgarian-born writer and founder of The Marginalian (formerly Brain Pickings), a reader-funded blog on books, science, art and philosophy running since 2006.
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.
fun fact: in German, writers are usually paid by character not by word, because the word-length distribution has such a long tail Related
I don't think anyone seriously advocates "let anyone post whatever", but rather the question is (as so often) who is responsible. If the author themselves say they don't fully understand what some AI has proved, and it's wrong, then whose fault is that? Does the arXiv get the blame for allowing the content? Fwiw, I think that in this case AI solves more problems than it creates. If a paper is plausibly correct and lives up to the standards of the field, and the author has done their best, even if written by AI, why not just post it in a 'mostly AI' subsector (maybe just an extra flag for each… Quoting @Quasilocal To everyone now claiming arXiv should let everyone freely post whatever: you already have venues like that. The fact arXiv is different is literally the only value it has over those others. Related
Artist and developer who makes esoteric software, games and tools aboard a sailboat as part of Hundred Rabbits with Rekka Bellum; creator of the Uxn virtual machine and the Orca livecoding environment.
I've been scratching my head trying to think how to package assets for my #lispGameJam project, I really REALLY wanted to be able to inline assets as raw hex code, like I normally do for uxn projects, not have to read binary files, so I added a special form with square brackets that lets me to just that! This is the first sprite(a little arrow) I was able to store in my source code. Related
Creator of Homebrew, the macOS package manager, and a Swift developer.
Products for devs are quite dead. SaaS for devs is dead. There are exceptions, though I think you have to extrapolate on variables that are not raw software. I have ideas and am implementing them. Mostly in private because building in public also can no longer be capitalized upon. Seemingly. Quoting @alex_holovach my WHOOP subscription expired so i had codex reverse engineer it and build my own app - telemetry goes to my prometheus server - grafana and the app visualize it - hermes monitors metrics and plans workouts next wanna build my own Zwift and Strava the era of personal software is here SaaS Related
Software engineer who writes the blog Made of Bugs about performance, debugging and understanding computer systems. Previously worked at Anthropic on interpretability, at Stripe on Sorbet, and at Ksplice.
Ruby and Rails core committer known online as "tenderlove"; maintains Nokogiri and works on Ruby performance.
Apparently they're rolling out a change where you need 2FA just to use the crosswalk. That's right, you gotta have street creds Related
Essayist, journalist and independent researcher on Chinese politics, strategy and cultural history; author of the blog The Scholar's Stage.
Listen if your model of what has happened is that the EAs have launched a coup I think you have very bad judgement. Here is what actually happened: a very large number of people have slowly grown aware of the potential AI has to radically transform human society. Most people who contemplate this are uncomfortable with this—because they do not like change, because they do not like ceding agency and control to something they do not understand, because they distrust Silicon Valley, because they fear the apocalypse, because they fear the dystopian-lite future many AI futurists advocate as a the “… Related
Writes Hyperdimensional, a newsletter on AI policy and governance. A White House AI policy adviser in 2025; joined OpenAI on 6 July 2026 to lead its Strategic Futures team.
op deleted his tweet (thanks I guess) but I get a ton of questions about why I sometimes limit replies, and if you’d like to know the answer you can look below. Quoting @deanwball @sponkostonko I limit my replies when it occurs to me to do so to make it slightly harder for people to threaten me and my family with violence, which happens frequently in my life now. It still happens, but at least with replies limited my wife is less likely to see it. Related
Statistician at Columbia; writes Statistical Modeling, Causal Inference, and Social Science, and wrote Bayesian Data Analysis.
General partner at Andreessen Horowitz and author of The Cold Start Problem. Previously led rider growth teams at Uber; has blogged on growth, network effects and marketplaces since 2007.
ok great now I have 3 messy inboxes I have to check: - stuff my agents have done on scheduled loop that I need to review - bookmarked slack messages off Google Docs and slides to review - my actual email inbox lol Google Related
Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.
Bluesky Some recent mystery and puzzle games. (Okay, _This Bed We Made_ is from a couple years back.) - The Mermaid Mask - This Bed We Made - Cognition Method - He Who Watches blog.zarfhome.com
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Mastodon Some recent mystery and puzzle games. (Okay, _This Bed We Made_ is from a couple years back.) ⁃ The Mermaid Mask ⁃ This Bed We Made ⁃ Cognition Method ⁃ He Who Watches https://blog.zarfhome.com/2026/09/late-summer-mysteries #Reviews Related
Sociologist at Duke University writing on markets, exchange and moral order, and on plain-text and data-visualisation tools for social science.
Targeted flattery-spam/phishing aimed at harmless academics like me is leveling up! Book Club rubbish is so last month. Thanks, LLMs! I just got a highly elaborate six-paragraph one “from” Emily St John Mandel (of Station Eleven fame). The choice of author to impersonate is really quite clever. Like the book club spam, it’s trawling for somewhat vain people who are susceptible to flattery, which of course excludes academic authors [puts hand to ear] sorry I’m just getting an update LLMs Related
Writer and novelist. Publishes essays and book notes at nateliason.com; author of the novel Husk and of Crypto Confidential.
Founders School: Teenager GDP Quoting @sab8a Great examples of North Star metrics: – Uber: Rides taken – Airbnb: Nights booked – Lovable: Daily active apps – Plaid: Bank accounts linked – Duolingo: Daily active users – ChatGPT: Retained active users – Loom: Videos created that get viewed – Cursor: Paid users coding 5 days/week – Gamma: Presen… startups Related
American software engineer; worked on code-server at Coder and teaches TypeScript and open-source contribution. Publishes at joeprevite.com.
Writer and developer; runs Waxy.org, co-organises the XOXO festival, and was the first CTO of Kickstarter.
I Found Evidence Of My House Spinning — creepypasta in the form of a forum thread, don't miss the "what's new!" at the very end Related
Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.
hey @MarkJCarney make sure these guys get a few billi Quoting @MarkJCarney The first-ever Canada Investment Summit kicks off today in Toronto. Some of the largest investors in the world are here for a reason: they see our strength, they share our ambition, and they want to build big with us. Related
Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.
Watch this! It was 🔥 Quoting @theallinpod THE ALL-IN SUMMIT IS LIVE! @JensenHuang joins The Besties live on stage! (ft. a legendary phone call from @POTUS) -- The AI Doomer Hoax -- Superintelligence Has Arrived? -- What RSI Actually Is -- The Future of AI: Open Source, China, The Next Industrial Revolution $NVDA (0:00) Jensen Huang joins T… Related
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
If anyone wants a nice side project... The fast number parsing fast_float (part of GCC, and other important systems like MySQL) is not always exact when dealing with 16-bit float parsing (specifically float16_t). That is, some number strings can lie in between two numbers and the rounding is wrong. In fact, nobody has done a proper analysis of the implementation to insure that it is correct. Yeah. I could ask my AI, but it is still work, especially because I do not trust anyone, not even an AI, to get it correct the first time around. Contributions invited. github.com
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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
One of the coolest things about 𝚏𝚡 is that it auto-upgrades, and 𝚌𝚝𝚛𝚕+𝚐 restarts + resumes the chat. Also, that 0.0.10 is much, much faster for longer sessions 😊 Related
Writes The Diff, a newsletter on inflections in finance and tech read by hedge fund managers, founders and VCs. Previously worked in finance at SAC Capital/Point72.
I mean, if you take AI x-risk seriously this is like saying that people who worried about early Covid don't talk enough about whether or not test swabs are biodegradable. If he's right, it's a rounding error. If he's wrong but convincing—also a rounding error! Quoting @edzitron Coxon could've mentioned the environmental catastrophe of AI data centers, or how ChatGPT has led people to killing themselves and others. Instead, he retold a dramatized and manipulative version of the Hugging Face attack that left the AI labs blameless. Related
Co-founder and chief investment officer of Cambria Investment Management. He has written several books on quantitative asset allocation, blogs at Meb Faber Research and hosts The Meb Faber Show.
HQ gastropub for Broncos come say hi #futureproof! Related
Web developer and writer; an early GitHub employee, author of speaking.io and of widely read essays on startups and product.
Bluesky Added a new runway feature to signed.com to sort which of my portfolio companies are facing cash crunches. (As a side note, always fascinated by startups who run out of cash and haven't talked to their investors about it. That's what they're there for, to help!) startups Related
x.com Added a new runway feature to @signedco to sort which of my portfolio companies are facing cash crunches. (As a side note, always fascinated by startups who run out of cash and haven't talked to their investors about it. That's what they're there for, to help!) startups Related
Writes Don't Worry About the Vase, a near-daily account of what is happening in AI and what they think it means. Former Magic: the Gathering pro and trader; unusually willing to put a number on a belief and to grade their own past calls.
From one piece
The Bad Guy With An AI Named Claude
3 beliefs · thezvi.substack.com
Technical educator, conference speaker and developer relations engineer based in Ottawa, Canada. Author of the Anubis bot filter and of over 400 articles at xeiaso.net.
Their words
Filesystem reads in that case are 10 nanoseconds at most (the filesystem cache helps so much here) but doing any network roundtrip is 10 milliseconds at minimum. It's at least a million times slower because of how reality works.
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tigrisdata.com
Economist at George Mason University, co-author of Marginal Revolution, host of Conversations with Tyler. Writes in short, dense claims about economics, culture and AI, and has moved position on AI in public more than once.
Venture capitalist and founder of Theory Ventures, previously a partner at Redpoint. Writes a near-daily blog on startups, SaaS metrics, data and AI.
From one piece
When Inbound Sells Itself
2 beliefs, in the piece's order there
Security engineer; founder of Matasano Security and Latacora.
Their words
Increased reliance on CFAA prosecutions for public policy goals couldn't possibly be a cursed monkey's paw situation, said no practitioner in this space ever.
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@tqbf on X x.com
Systems and developer-tools engineer at Cloudflare as of 2026, on durable infrastructure for AI agents; worked on React and PartyKit before that. Writes at sunilpai.dev.
Their words
new york would be a wonderful city to walk everywhere, if everyone and their mother wasn't openly smoking weed on the streets
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@threepointone on X x.com
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
From one piece
@levelsio on X
2 beliefs · x.com
From one piece
@levelsio on X
2 beliefs · x.com
immigration Europe
Their words
I think this is the most common sense policy and it'll make Europe much safer
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@levelsio on X x.com
immigration Europe
Their words
I think we should use this kinds of data to completely turn around Europe's immigration policy: - We should have super easy inflow for immigrants from countries whose previous immigrants have shown low crime rates You're from Japan? Just fly here and you can stay forever - We should then almost completely ban any inflow from countries whose previous immigrants have shown high crime rates with instant deportations
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@levelsio on X x.com
Their words
you can at least partly avoid it by eating clean, exercising heavy and sleeping well I think
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@levelsio on X x.com
+ 1 more
Their words
I'm increasingly convinced gray hair is at least partly due to oxidative stress from the average diet now that's mostly processed food, as well as lack of heavy exercise and obesity
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@levelsio on X x.com
Economist and Nobel laureate. Wrote a New York Times column for 25 years until December 2024 and now publishes several times a week on Substack.
From one piece
Why Is Trump Still Boosting AI?
3 beliefs · paulkrugman.substack.com
Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.
From one piece
@paulg on X
2 beliefs · x.com
Their words
Someone needs to define the unit, perhaps using a chain of increasingly hard problems, each pair of which can be solved by a single model.
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@paulg on X x.com
Their words
Although you pay for AI by the token, that's not the unit of inference, because you get more problem solving per token as models improve.
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@paulg on X x.com
Their words
Paul Buchheit meme-ranks with Jobs, Zuck, and Elon. (He's the one who came up with "Don't be evil.")
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@paulg on X x.com
Forecaster, founder of FiveThirtyEight, author of The Signal and the Noise and On the Edge. Writes Silver Bulletin, where the predictions come with numbers and the numbers are later checked against what happened.
From one piece
We’re not ready for superpersistent AI
2 beliefs · natesilver.net
Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
Their words
The final boss will be getting DOOM running where every pixel is its own terminal. Software should be fun.
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@mitchellh on X x.com
Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.
From one piece
Apple TV Dethrones HBO
3 beliefs, in the piece's order there
Their words
I'm not sure they fully understood that it wasn't really about juicing their numbers, but about churn prevention.
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Apple TV Dethrones HBO spyglass.org
Their words
While the average overall quality of Apple's shows are higher than those on Netflix or Prime Video, they still don't have the type of 'A+' content that HBO was regularly pumping out at their peak.
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Apple TV Dethrones HBO spyglass.org
Their words
Award shows remain mostly silly and subjective, but they're an interesting directional proxy for power in the various industries
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Apple TV Dethrones HBO spyglass.org
Novelist and critic, author of The Body Scout and Metallic Realms; writes the newsletter Counter Craft on fiction craft and the publishing industry.
From one piece
Processing: How Nicholas Russell Wrote Observer
3 beliefs, in the piece's order there
Software engineer and educator; creator of Testing Library and of the EpicWeb.dev and EpicReact.dev courses.
Their words
You ➡️ agent ➡️ software This is the path to efficient processes and too many of you stop on the first two steps costing money and time.
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@kentcdodds on X x.com
Professor of international affairs at Johns Hopkins SAIS and co-author, with Abraham Newman, of Underground Empire: How America Weaponized the World Economy.
From one piece
Canada is cosying up to Europe
3 beliefs, in the piece's order there
CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.
Their words
As more code goes native, I expect WebAssembly to play a huge role in the future of the web.
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@rauchg on X x.com
Their words
The future is multi-model. Trying to hide the choice confuses and hurts customers, who can't participate in the upside of the most exciting market competition of our times, nor master the best tool for the job.
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@rauchg on X x.com
Writes The Pragmatic Engineer, the software-engineering newsletter, and wrote The Software Engineer's Guidebook. Formerly an engineering manager at Uber, and at Microsoft/Skype and Skyscanner before that.
Google startups
Their words
I don't know a single startup or serious tech company using Teams sorry they are all on Slack OK, Cloudflare is on GChat
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@GergelyOrosz on X x.com
Founded SpaceX in 2002, joined Tesla's board in 2004 and became its chief executive in 2008; later founded Neuralink, The Boring Company and xAI. Bought Twitter in 2022 and renamed it X, where he now posts many times a day.
solar energy
Their words
The solar power exponential will continue until all other energy sources are <<0.1%
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@elonmusk on X x.com
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
Their words
Work is a terrible place to litigate societal/political questions unrelated to the business with coworkers.
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@dhh on X x.com
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
Their words
Thus it appears that on the latest AMD and ARM processors subnormals might not be a concern. But they remain very much a performance issue under Intel processors.
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lemire.me
Front-end developer and writer; co-founder of CodePen, founder of CSS-Tricks, and co-host of the ShopTalk Show podcast.
Writer and climate campaigner; wrote The End of Nature in 1989, founded 350.org and Third Act, and writes The Crucial Years.
From one piece
The Two Horsemen, Riding in Formation
3 beliefs, in the piece's order there
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Their words
It's absolutely wild how many times Volvo has managed to refresh this platform. They are basically the same cars as in 2015/2017 but now they have 150km range plus electric and they still look amazing.
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@mitsuhiko on X x.com
Their words
Pick Pulley to encourage competition to Carta. End up with Carta anyways.
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@mitsuhiko on X x.com
American-Polish journalist and historian, staff writer at The Atlantic; author of Gulag, Iron Curtain, Twilight of Democracy and Autocracy, Inc.
From one piece
Empire of Grift
2 beliefs, in the piece's order there
Dutch bootstrapper who builds and runs their internet startups alone — Nomads.com, Remote OK, Hoodmaps, Photo AI and Interior AI — and has written about it at levels.io since 2013. Posts as @levelsio.
Engineer writing about the physical economy — oil and gas, manufacturing, batteries, drones and what it costs to build things.
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Their words
I love it when tool calls take so long on Fable that afterwards you pay for it in cache misses.
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x.com
14 September
Essayist; writes Astral Codex Ten, previously Slate Star Codex.
Machine learning engineer and consultant focused on RAG and retrieval systems. He writes about applied AI engineering at jxnl.co and is the author of the instructor library.
ChatGPT gift cards are live in the US! Gift cards give people a new way to share ChatGPT with friends and family. They also bring ChatGPT to the places people already shop for gifts, ahead of the holiday season. Recipients redeem their card at https://t.co/oX1jDGtz1t to add funds to their wallet, then use the balance for eligible subscriptions, renewals, and usage-credit purchases on ChatGPT web. Redemption is currently available in the US for accounts billed in USD. OpenAI Related
2027 i will sail to hawaii with voice mode on the chatgpt desktop app OpenAI Related
Essayist, journalist and independent researcher on Chinese politics, strategy and cultural history; author of the blog The Scholar's Stage.
With all respect to Chris, who has done much great work in this area, I do not agree. A Global Times “quick take” editorial is not the sort of government communique that “clearly and unmistakably” communicates anything. Between them the PRC government and the CPC have many organs and forums more authoritative than this, all better suited for drawing lines in the sand. A GT editorial should not be dismissed, but it is worth asking—if Xi’s mind was made up on the matter, why he would choose *this* uncertain venue to make point? Were I to sift the tea leaves, I would say this: to me this looks l… Quoting @ChrisRMcGuire The Chinese government has now clearly and unmistakably rejected serious collaboration with the United States on AI safety. This was a predictable development. It is also a clarifying moment for the importance of U.S. export controls on AI chips and other technologies, which are now indisputably a… government Related
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Full-stack Laravel developer based in Madison, Wisconsin; maintains open-source Laravel, Livewire and Alpine.js packages and writes at randallwilk.dev.
Cardiologist and founder of the Scripps Research Translational Institute; writes Ground Truths on biomedical research, and wrote Super Agers and Deep Medicine.
Web infrastructure engineer and standards editor; chaired the IETF HTTP working group and co-authored core HTTP and Atom specifications.
Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.
Newsletter: The supposedly “unprecedented” ethics restrictions in the industry-written Clarity Act exempt Trump’s crypto businesses and leave enforcement to his loyalists. Senators must vote no on cloture tomorrow. https://www.citationneeded.news/clarity-act-ethics-charade/ #crypto #cryptocurrency #USpol #USpolitics #ClarityAct #CitationNeededNewsletter crypto Related
Interviewer; the Dwarkesh Podcast runs long, heavily researched conversations with AI researchers, historians and economists.
Creator of the Keras deep-learning library and the ARC-AGI benchmark.
> One could even define intelligence as the efficiency with which one converts experience into competence; by this definition they lag very far behind us Yes, one could define intelligence in this way, and one would be right. By this metric current AI is approximately 6 OOMs less intelligent than humans. Your ancestors' evolutionary history did not prepare you for Python programming, yet you can learn to competently program in Python in a few hundreds of hours. An LRM needs the training data equivalent of ~1B hours (on top of all of its non-programming related training data). Another dimensio… Quoting @DKokotajlo Dan Selsam is a current OpenAI capabilities researcher. (since 2022) He was my boss for a while. He doesn't have a twitter account but has made this public statement of his views on AI risk and sent it to me to share: Dan Selsam's Personal Statement on AI Risk: I have been working on AI for over fi… Related
Founded Bridgewater Associates in 1975 and led it until stepping back from control in 2022. Author of Principles, The Changing World Order and How Countries Go Broke; publishes economic analysis at economicprinciples.org.
By recognizing the higher-level consequences nature optimizes for, I've come to see that people who overweigh the first-order consequences of their decisions and ignore the effects of second- and subsequent-order consequences rarely reach their goals. This is because first-order consequences often have opposite desirabilities from second-order consequences, resulting in big mistakes in decision making. #principleoftheday Related
Free software developer and longtime Debian developer; author of git-annex, etckeeper, ikiwiki and debhelper. Lives and works off-grid.
Minutes waiting on charging: 20 Minutes waiting on ferry: 90 Related
Web developer; former head of engineering at Flickr, author of Building Scalable Web Sites, and co-founder and CTO of Slack.
Software engineer, Wikipedia editor and crypto critic; writes Citation Needed and runs Web3 is Going Just Great.
American science fiction novelist (Old Man's War, Redshirts, The Kaiju Preservation Society); has run the blog Whatever since 1998.
Creator of Flask and Jinja. Writes about software at lucumr.pocoo.org.
Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.
oooh this looks nice - a handy little skill to generate animated presentational videos Quoting @CalvinGrunewald Sharing a fun new skill/tool I built that helps me make videos for a variety of purposes. You have your coding agent install the skill, and then it writes react code to generate the video. It supports music composition as well as narration. I use it for making videos about products or tools we buil… Related
Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.
Theoretical physicist and philosopher, Homewood Professor of Natural Philosophy at Johns Hopkins and fractal faculty at the Santa Fe Institute. Writes the Preposterous Universe blog and hosts the Mindscape podcast.
Many people — even those who think about politics all the time — think about politics ultimately as a way to express one’s beliefs, not as a route to enacting policies that improve the world. Related
Designer, product manager, YouTuber and developer who has written about technology at Birchtree since 2010. He makes the Quick Reviews and Quick Notes apps and the A Better Computer YouTube channel.
1,000 hours of nonogame I hit a pretty fun milestone in nonogame today: 1000 hours played. No, not by me, but by the community of people who come and play this game every day. I know this is small potatoes compared to whatever other games you…
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Co-founder of Superlogical, started in 2026 to build server-side terminal infrastructure; creator of Ghostty. Co-founded HashiCorp and created Vagrant and Terraform before that.
New week new demo! Today I want to showcase the CLI to control the @superlogical multiplexer. The CLI is an extremely powerful tool for automation and hooking into other tools like editors, agentic coding tools, and more. And, it's super fun! Everything you can do in the GUI, you can do via the CLI. Actually, you can do more in the CLI. You can create sessions, run commands, make splits, move things around, change focus, simulate any input device (key/mouse/etc.), wait on scripts, and more. There are a couple unique parts of Rex I'm showing off here too: our streaming event system that any cl… Related
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