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I've had private beta access to Udio and it's wild. Really good music generation, significantly better than the alternatives. Keep an eye in them.
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19 September
Political scientist writing Drezner's World on international relations, American politics and the marketplace of ideas; author of The Ideas Industry.
18 September
Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.
16 September
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.
Bluesky Xcode 27.2 is in beta. The 27.1 beta is coming later. Related
Blog Xcode 27.2 is in beta. The 27.1 beta is coming later. Apple released new developer betas for OS 27.2 today, which is not quite what I expected. Us developers have been waiting for Xcode 27.1 since last week, so I was excited to see that we somehow jumped even further into…
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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 was in the beta test for Jev—one fun way I've used it is as a kind of router that decides whether to process some chunk of text using deterministic rules, or to spend on a more expensive model. You can basically do cost discrimination instead of price discrimination! 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
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
14 September
Independent iOS developer and podcaster; co-hosts the Accidental Tech Podcast and Analog(ue), and makes the apps Callsheet, MaskerAid and Peek-a-View.
Apple people with prerelease hardware: in theory, the just-released TestFlight build supports iOS 27 resizing. I think? Anyway, if you’re an Apple person and we know each other, send me a DM/email and I’ll send you a TF link. I’m otherwise good on beta testers. 😊 Related
Writer of the 25iq blog, where he distils "a dozen things I've learned" from investors, founders and thinkers. Author of Charlie Munger: The Complete Investor and A Dozen Lessons for Entrepreneurs.
China state newspaper blasts Anthropic's calls to slow AI as 'Cold War' tactic. "This 'silent AI Cold War' is hypocritical and short-sighted," adding that excluding China from global AI innovation would "significantly increase the trial-and-error costs and risks of loss of control in global AI development". yahoo.com
Anthropic China Related
President of the French Republic since 2017.
Aux côtés du Premier ministre irakien Ali Faleh Al-Zaidi, qui a choisi la France pour la première étape de sa tournée européenne. Un choix qui compte et montre que la France peut jouer un rôle d’équilibre. Agir pour la stabilité de la région, c’est défendre les intérêts des Français. Sécuriser nos approvisionnements énergétiques en travaillant à la désescalade et en développant des routes alternatives au détroit d’Ormuz, c’est réduire la pression sur le prix à la pompe. Développer notre coopération de défense et de sécurité avec nos partenaires, c’est continuer ensemble la lutte sans relâche… English, from French Alongside the Iraqi Prime Minister Ali Faleh Al-Zaidi, who chose France for the first stop on his European tour. A choice that matters and shows that France can play a balancing role. Acting for the stability of the region means defending the interests of the French people. Securing our energy supplies by working towards de-escalation and developing alternative routes to the Strait of Hormuz means reducing pressure on pump prices. Developing our defense and security cooperation with our partners means continuing the relentless fight together…
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Political scientist writing Drezner's World on international relations, American politics and the marketplace of ideas; author of The Ideas Industry.
11 September
Mac and iOS developer at the Iconfactory, where he has worked on apps including Twitterrific and Tot. He writes about development at furbo.org.
This is your yearly reminder to figure out which test devices are going to stay on the older OS releases, and which ones get the new one. You may or may not want to disable beta updates on the newer releases, too. This weekend is a good time to do it, because we'll all be busy next week. Related
9 September
Co-founder and CEO of Every. Writes the Chain of Thought column about working with AI tools and hosts the podcast AI & I.
this is a very good and well designed report however, two impt assumptions in it that significantly change the analysis once you start to play with it: 1. the report assumes that jobs can be decomposed into tasks 2. the report models human tasks created by automation always as a fraction of automated tasks. in other words, the underlying assumptions is automation always reduces human labor (or at best leaves it the same) taken in reverse order: does automation always reduce human work? in my experience, the answer is no. automation often creates multiples more work for humans. i have a full a… Quoting @AnthropicAI Anthropic’s Economics team is sharing a new model of how AI might affect economic growth, jobs, wages, and more by 2030. Explore the scenarios, tell us what you think will happen, and see how your answers compare to more than 10,000 Americans. Related
8 September
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.
My biggest takeaways from Grok @Bot product lead @RomanUgarte_: 1. Two key early product decisions made Grok Bot the success it has become. First, everything runs in the cloud. This means bots can be kicked off from a phone and run while the user sleeps. Second, each bot has access to its own computer. This allows it to operate on tools that have no API because they can simply use the computer the way a human would. 2. “Unshipping” is a big opportunity in product right now. One of the most counterintuitive things the Grok Bot team did in the weeks between internal beta and public launch was r… Quoting @lennysan Grok @Bot is the hottest new AI product in the world right now. I'm absolutely hooked. It all started a few months ago as a tiny team holed up in a separate part of the office, building from scratch. Four weeks after the first line of code, the whole company was obsessed. Three weeks later, it laun… the cloud Related
Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
7 September
Usability pioneer; co-founder of Nielsen Norman Group and founder of UX Tigers; author of the ten usability heuristics and of Jakob's Law.
2 September
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
Superlogical makes it up at scale and there is an early breakpoint with busy terminals and clients where we use significantly less memory than tmux or anyone else.
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x.com
1 September
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 “The number of suspected illegal discharges of raw sewage into rivers and seas by water companies during dry weather increased significantly during the first five months of 2026.” Why are we still seemingly powerless to do anything about this? theguardian.com
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Bluesky “The number of suspected illegal discharges of raw sewage into rivers and seas by water companies during dry weather increased significantly during the first five months of 2026.” Why are we still seemingly powerless to do anything about this? Related
31 August
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.
I'm working on phase 2 of Project Improve Git's documentation and I need beta readers! Here's a signup form: https://forms.gle/swn1jhCULndnCxG87 The first topic is going to the docs on merge conflicts. I'd love signups from anyone who uses Git on the command line and who would be interested in reading the current version of some man pages and leaving feedback about what's confusing. Especially if you're not 100% comfortable with Git! documentation Related
27 August
Professor of international affairs at Johns Hopkins SAIS and co-author, with Abraham Newman, of Underground Empire: How America Weaponized the World Economy.
26 August
Writes Strange Loop Canon, on the intersection of technology, economics and business — "building models of the world to understand these problem areas and to define them better".
From one piece
Who Wins As Intelligence Commodifies?
2 beliefs, in the piece's order there
24 August
Managing partner at Ritholtz Wealth Management. Writes the blog The Irrelevant Investor and co-hosts the Animal Spirits podcast with Ben Carlson.
23 August
Lawyer and everyday-carry gear reviewer who publishes scored knife, flashlight and multitool reviews at Everyday Commentary.
18 August
Economics writer; author of the Noahpinion newsletter.
Their words
This place does have one Michelin star (and richly deserves it), but it’s significantly cheaper than a lot of other Michelin places while being every bit as good.
Show the whole quote
noahpinion.blog
15 August
Developer and podcaster; created Instapaper and Overcast, co-founded Tumblr, and co-hosts the Accidental Tech Podcast.
What do you think of moving the add/dictate buttons down to the bottom like this for better reachability? Lots of people have requested it. My only hesitation is that the accent color looks pretty bold down there. But other designs — translucent bars behind, white buttons, etc. — all look significantly worse or more jumbled. In use on a real device, I think it looks less in-your-face than it does on a screenshot on a Mac. Related
12 August
Independent iOS developer and podcaster; co-hosts the Accidental Tech Podcast and Analog(ue), and makes the apps Callsheet, MaskerAid and Peek-a-View.
Is it safe to go to the iOS 27 beta yet? Related
Professor of atmospheric sciences at Texas A&M; writes The Climate Brink with Zeke Hausfather.
7 August
Managing partner at Ritholtz Wealth Management. Writes the blog The Irrelevant Investor and co-hosts the Animal Spirits podcast with Ben Carlson.
Co-founded Neuralink and founded Science Corp, which is building a retinal implant; writes about neural interfaces and biology.
23 July
Professor at Wharton studying how people actually use AI, and author of Co-Intelligence. Writes One Useful Thing, where the claims are dated and testable because the thing they describe keeps changing under them.
Their words
Copilot, which uses a mix of AI models and is okay for working with office documents but lags badly in terms of its agentic abilities.
Show the whole quote
oneusefulthing.org
20 July
Physician and neuroscientist at the University of Washington; researches brain health, metabolism and athletic performance.
Their words
They just published a secondary analysis of the active trial that showed that um those who did processing speed training with uh booster sessions at one and three years had a significantly decreased risk of dementia 20 years later.
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youtube.com
13 July
Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.
12 July
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
1 July
Freelance climate and energy analyst in Oslo, writing on Europe, the US and Australia; worked in the Australian renewables industry before that.
Google
Their words
What is happening is that GenAI's climate harm comes from the system design, such as Google's AI overview triggering constantly whether users want it or not, in addition to significantly worse digital bloat tools dominating overconsumption.
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ketanjoshi.co
30 June
Writer on happiness, habits and human nature. Author of The Happiness Project, Better Than Before and The Four Tendencies, and host of the Happier with Gretchen Rubin podcast.
Their words
What's fun for others might not be fun for you, and vice versa.
Show the whole quote
gretchenrubin.com
Social scientist turned small-scale farmer; wrote A Small Farm Future and argues against the case for feeding the world from factories.
energy
Their words
Agriculture is the only major sector that at present is significantly energised directly by zero cost and zero carbon sunlight.
Show the whole quote
chrissmaje.com
Independent iOS developer and podcaster; co-hosts the Accidental Tech Podcast and Analog(ue), and makes the apps Callsheet, MaskerAid and Peek-a-View.
Their words
And speaking of microphone, I'm presently using a Shure Beta 58A.
Show the whole quote
usesthis.com
27 June
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).
24 June
Machine-learning researcher; has written the Lil'Log survey posts on how a model technique works since 2017, and worked at OpenAI from 2018 to 2024, latterly leading its safety systems team.
23 June
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
This is a new paradigm for interacting with Claude that is significantly more "inline" with all the other human activity org-wide. Once you do all of the under the hood engineering work to make this "just work" (e.g. across tools, integrations, compute environments, memory, security, etc.), Claude basically joins the team in a seamless way - you can talk to it as you would talk to a person and it can help with a very large variety of workloads. Imo this is the 3rd major redesign of LLM UIUX. The first paradigm was that the LLM is a website you go to, the second was that it is an app you downl… Quoting @claudeai Introducing Claude Tag, a new way for teams to work with Claude. In Slack, Claude joins as a team member with access to the channels and tools you choose. Tag Claude in and delegate tasks to it while you focus on other work. LLMs Anthropic Related
5 June
Security researcher; built Report URI and Security Headers, and writes about web security in practice.
DBSC Beta at Report URI This week, I published a blog post about Device Bound Session Credentials, a new technology that will significantly hamper the efforts of Infostealers and reduce the damage caused by stolen cookies. Today, we're announc…
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30 May
Indian value investor who taught Behavioural Finance and Business Valuation as an adjunct professor at MDI Gurgaon. He writes the Fundoo Professor blog about investing, moats and mental models.
A cheap stock without a catalyst is a value trap plus a prayer for a bull market. (That is chasing beta) https://t.co/0XrAuqYqhz The most common catalysts are earnings growth when combined with very low P/E multiples plus a high dividend yield. Doesn’t happen very often but a setup like this must result in stock price appreciation otherwise the yields start exceeding bond yields which by themselves are catalysts for re-rating. There are many other catalysts based on developments inside the company (corporate actions) or developments in markets (eg increase in free float, inclusion in an index… Related
19 May
Programmer; wrote Redis and hping, and blogs about C, systems programming and working alone.
Alternatives for the EDIT tool of LLM agents EDIT: of course this was already done in the past! I had little doubts but people just confirmed me about it on Twitter :) But, keep reading: the CRC32 compromise at the end is an interesting tradeoff, and this is a goo…
LLMs Related
9 May
Writer and consultant on technology, organizations and history; founded the blog Ribbonfarm and now writes the Contraptions newsletter.
Ribbonfarm has been resurrected as a museum blog with an AI curator. Details: https://t.co/InHymQ7kS3 The old reading experience is preserved intact, with significantly improved speed and cleaner reading layout, but there’s now a lot more intelligent scaffolding for exploring. Related
6 April
Author of The Simple Path to Wealth and of the jlcollinsnh.com stock series on index-fund investing.
Nilo has officially launched its Open Beta. 🚀 Nilo is transforming how games and virtual worlds are built and prioritizes the creator's experience above all else. I’m a proud supporter 👉 Try it now: https://t.co/OtxIWqKkcB 👾 Join the Nilo Discord: discord.gg
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22 February
Independent AI policy researcher; led policy research at OpenAI from 2018 to 2024, latterly as senior adviser for AGI readiness.
19 February
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.
11 February
Author and journalist writing on food, plants and consciousness. Professor at UC Berkeley and co-founder of its Center for the Science of Psychedelics.
Their words
Over thirteen lessons, you’ll learn about the past, present, and future of meat, from the ways animals and humans are treated in meat processing plants to emerging meat alternatives.
Show the whole quote
michaelpollan.com
9 February
Data scientist at Our World in Data and author of Not the End of the World. Writes By the Numbers, working through energy and climate questions with the numbers in front of them, and revising in public when they say something unexpected.
28 November 2025
Astrophysicist and coffee researcher; author of The Physics of Filter Coffee and The Physics of Espresso, and writer of the Coffee ad Astra blog on brewing science and equipment.
16 November 2025
Software engineer writing about maintenance, open source and the industrial reality of software — the author of "I am not a supplier".
22 October 2025
Fellow at the Manhattan Institute writing on crime, drugs and policing; writes The Causal Fallacy.
8 October 2025
Environmental writer and campaigner; author of Six Degrees, The God Species, Seeds of Science and Our Final Warning.
WOW! The European Parliament just voted to BAN the words 'burger' and 'sausage' when used in sustainable plant-based alternatives. HUGE win for the meat and dairy lobby in the EU, and lots more confusion for consumers if this goes through. Insane! euroveg.eu
Europe Related
18 September 2025
Co-founder and CEO of Shopify; long-time Linux user and Omarchy contributor.
From one piece
ACQ2: How to Live in Everyone Else's Future (with Shopify CEO Tobi Lütke)
2 beliefs, in the piece's order there
Their words
You don't even need to predict the future that well. If you just live in everyone else's relative future, which really is just a couple of um high conviction high courage uh update to beta clicks. It's not that hard to live in the future.
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youtube.com
Their words
what you are try like trying to do as a tool maker, as an infrastructure builder, um as a product maker is you want to make a uh tool that brings the floor up significantly, but doesn't constrain the ceiling. And that is extremely hard.
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youtube.com
30 August 2025
Structural engineer and senior infrastructure fellow at the Institute for Progress; writes Construction Physics on why physical things cost what they cost.
data centers America
Their words, before
Taking this into account, actual water consumed by data centers is around 66 million gallons per day.
Show the whole quote
Their words now
So to wrap up, I misread the Berkeley Report and significantly underestimated US data center water consumption.
Show the whole quote
15 August 2025
Founder of Terraform Industries and formerly a physicist at NASA's Jet Propulsion Laboratory; writes about energy, space and manufacturing.
solar data centers
Their words
actually it turns out that you can significantly decrease power consumption with a very small reduction in overall compute. So if you if you've got like three really bad days in a row or something, you can actually just like you can dial back your power usage quite a lot without compromising your inference or or um or training.
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youtube.com
13 August 2025
Economist specialising in China's economy, international macroeconomics and global trade, and author of The New China Playbook.
China
Their words
And what’s more, you use your leverage once, and that leverage has a half-life. It becomes a lot less effective the second time around because other countries, other companies are going to try to substitute away. If China uses the rare earth leverage, which I think it is now a little bit, there will be alternatives and substitutes.
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youtube.com
31 July 2025
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.
18 July 2025
Irish independent game developer, maker of VVVVVV, Super Hexagon and Dicey Dungeons.
just gonna put this out there in case any Godot contributors see this! I know it's not a high priority issue, but I use Wayland on Linux and the latest Godot 4.5 beta spams an error message in the console constantly, which is really very annoying. Would *really* love it if somebody could fix this for the Godot 4.5 release, or even just comment out the specific line that's outputting this message. It's line 1052 in display_server_wayland.cpp, I'm guessing! Linux Related
6 July 2025
Investment researcher and engineer who runs Lyn Alden Investment Strategy, writing on macroeconomics, currency systems and equity analysis.
1 July 2025
Social scientist at King's College London; writes The Great Gender Divergence on why societies differ in how they treat women.
21 March 2025
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.
Their words
Fantastic memoir of figuring it out in your twenties and alternatives to blindly pursuing the default path.
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pathlesspath.com
8 January 2025
Investment researcher and engineer who runs Lyn Alden Investment Strategy, writing on macroeconomics, currency systems and equity analysis.
1 October 2024
Research scientist at Anthropic; co-creator of the Variational Autoencoder and, with Jimmy Ba, of the Adam optimizer, two of the most widely used tools in deep learning.
Personal news: I'm joining @AnthropicAI! 😄 Anthropic's approach to AI development resonates significantly with my own beliefs; looking forward to contributing to Anthropic's mission of developing powerful AI systems responsibly. Can't wait to work with their talented team, including a number of great ex-colleagues from OpenAI and Google, and tackle the challenges ahead! Anthropic OpenAI Related
2 June 2024
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
Ruby on Rails
On changing their mind
And for a long time, I thought that's what had worked. That this was why Ruby on Rails took off, became one of the most popular full-stack web frameworks of all time, inspired countless clones, and created hundreds of billions in enterprise value for companies built on it. But I was wrong. It wasn't the crusade that did it.
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18 March 2024
Co-founder and CEO of OpenAI; previously president of Y Combinator.
Their words
I think when a system can significantly increase the rate of scientific discovery in the world, that’s a huge deal. I believe that most real economic growth comes from scientific and technological progress.
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youtube.com
28 February 2024
Co-founder and CTO of Linear; previously an engineer at Uber.
Their words
The MVP as a practice of building a hacky product as quickly and cheaply as possible to validate the product does no longer work. Many product categories are already saturated with a variety of alternatives, and to truly test the viability of any new idea you need to build something that is substantially better.
Show the whole quote
linear.app
28 September 2023
Co-founder and chief executive of Meta Platforms, the company he started as Facebook in 2004.
Their words
I think at this point there's the value of open sourcing, a foundation model like Llama 2. It's significantly greater than the risks in my view.
Show the whole quote
youtube.com
18 August 2023
Software engineer and a long-time technical lead of the Go programming language; author of plan9port and of the research.swtch.com essays.
13 December 2021
Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.
open source
On changing their mind
I used to think that this was unequivocally a win for open source. That to fight for attention with the commercial alternatives, we had to adopt the commercial playbook. Now I think it’s at the very least a mixed blessing.
Show the whole quote
13 September 2021
Developer and podcaster; created Instapaper and Overcast, co-founded Tumblr, and co-hosts the Accidental Tech Podcast.
28 October 2020
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.
Their words
If you're considering raising institutional funding for your startup, then this is a key book to read to understand the fundamentals of the legal documents and terms. It came recommended by a number of fellow entrepreneurs and it didn't disappoint. I haven't raised money yet myself so I may change this score up or down significantly once I have that first hand experience.
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jasonevanish.com
17 July 2020
Co-founded Neuralink and founded Science Corp, which is building a retinal implant; writes about neural interfaces and biology.
Nothing matches. Show everything
A korrent is a belief a person has stated in their own words: one
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else holds it.
Nobody here wrote their own korrents. They are compiled from public
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About the English under a post
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do, this site shows a machine translation beneath the post, in
this typeface — the site's own, not theirs.
The post itself is never changed, moved or hidden: what is set in the
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