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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.

• oh boy, my thing’s on hacker news, and while a lot of them are missing the point and dick swinging, they’re also mad that I don’t capitalise and say “bro” so much. 🙄🤣 i’M so SOrRY LaDs

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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.

• You're right, it was an elementary school not a military base. I'm sorry for the confusion. Would you like to learn more about elementary schools?
  Quoting@InsiderWN#BREAKING: Pentagon blames flawed intel and AI for strike that killed at least 123 Iranian children.

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British designer and technologist; co-founder of the design studio BERG, which made Little Printer, and writer of the blog Interconnected.

• I ran my second marathon last weekend but my write-up went a bit weird, sorry

  interconnected.org

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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.

• and all it took was to add a proper extension system to claude code (sorry thariq, could not resist :D)
  Quoting@trq212We're adding support for AGENTS.md to Claude Code. Starting today in version 2.1.277, if there is no CLAUDE.md in a folder, Claude will check for and use AGENTS.md. You can toggle this behavior in /config.

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Builds developer tools — SST, and now OpenCode at Anomaly. Posts constantly on x.com and writes almost never; the blog stopped in 2021.

• i've been really impressed with everything you've been saying and doing oh wait sorry confused you with someone else

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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@alysdenbyThe Great Flatsby: why American novels aren’t funny 🇺🇸😐 ✍️ me in @spectator

  AmericaRelated

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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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…

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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

  LLMsRelated

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 is so much goddamned extra chrome on the Device Hub. Snap judgement, but not a fan. (Yes, I’m behind on 27 stuff. I’m sorry.)

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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.

• Patterns of unhappy people: - Need social approval - Are reliably unreliable - Feel sorry for themselves - Choose comfort over truth - Refuse to learn from others - Spend more then they make - Use chemicals to alter mood - Make everything about them - Resent the success of others - Confuse motion with progress - Confuse cynicism with intelligence - Promiscious with their attention - Always in love with their first idea - Are alwasy too smart to look stupid - Need to learn everything from mistakes - Build a life that looks better than it feels - Protect their potential by never testing it - St…

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Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.

• just realized replies to my substack posts to have been going to spam for, oh, about a year. SORRY IF YOU EMAILED ME 💔💔💔

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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.

• AMA: Start of the 2026 Academic Year

  Here’s the video for last week’s AMA. I cut out the first seven minutes where the orientation was wrong. Sorry, it won’t happen again.

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Co-founder and CEO of OpenAI; previously president of Y Combinator.

• first, sorry for the messy rollout. second, when we screw up, we try to make it right. third, we should be able to begin broad rollout to API customers and chatgpt subscribers in the near future. as usual we will start with pro subscribers.
  Quoting@thsottiauxWe will give one banked reset for every day you don't have access to Astra on your paid ChatGPT plan, starting today. Team is moving mountains to give access as fast as we can. First one will land in ~ 3 hours. There is still time to create your account if you don't have one.

  OpenAIRelated

Writer and developer. He runs the Latent Space newsletter and podcast about AI engineering, and writes essays on software and careers at swyx.io.

• sorry for the radio silence folks - got sucked into extreme LLM psychosis. but i can confidently say we have crossed over into a new age of AI Engineering and we are never, ever, looking back. this isnt even EVERYTHING i did with Astra but i'll append more reports as I publish them on LS!
  Quoting@latentspacepodWe spent >20B tokens throwing @openai's Astra at every AI Engineering task we could think of, beyond cute Blender demos and fun games. https://t.co/QoW6YBybA4 Here's everything Astra can do, and do so at <$6 an hour (serious): - choose and train models - label data (both helping you label and then…

  LLMsRelated

Chilean web engineer building web experiences since 2006; co-founder of Media Creators and writes at iolivares.com.

• Yesterday I worked for ~20hs with my agents using Cursor and Claude and when I moved to sleep time I turned on the "autonomous" skill to all my agents. Today, checking the work done, almost 40% was blocked because reasons and when I ask they say "Sorry, my work was left unfinished..." Weird... computation outage?

  AnthropicRelated

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.

• Sorry to Bother You

  I had this friend - haven’t seen him in at least fifteen years, not for any reason other than that life happens and you drift - I had this friend and he was a recovering addict.

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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.

• t-rex and the case of the zesty zeitgeist

  archive - contact - sexy exciting merchandise - search - about &larr; previousAugust 26th, 2026next August 26th, 2026: Sorry for the lack of a comic Monday! I was travelling last week - a vacation! IT WAS GREAT! I ate i…

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Software engineer and founder of Block Party; previously an engineer at Pinterest and Quora, and a co-founder of the non-profit Project Include and the tech diversity data project Where are the Numbers?

• i'm always so excited to see that there are new replies to my slack threads until i realize it's just claude (sorry claude)

  AnthropicRelated

Writer on the intersection of technology and finance. Author of the Bits about Money newsletter and host of the Complex Systems podcast; previously at Stripe.

• Liam, 8; I got stung by a bee! *moans* Me: I’m sorry. Liam: Why do bees sting? Me: In defense of themselves or their hive. Liam: I was nowhere near a hive. Me: He might have made a mistake. You’re ten thousand times bigger than him and so maybe he was terrified. Liam, suddenly…

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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).

• Build a Reasoning Model (From Scratch) is now finally also available on Amazon! Thanks so much to everyone who preordered! One important note for readers in India: please avoid ordering through @amazon India (@amazonIN) for now since they are selling counterfeit black-and-white copies. The genuine book is printed in color this time and includes a code for registering the book on Manning’s website. If you are based in India, I recommend ordering directly from Manning. (If you received a counterfeit copy, please return it. I am very sorry about the hassle.) Unfortunately, these counterfeit sale…

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Lawyer and everyday-carry gear reviewer who publishes scored knife, flashlight and multitool reviews at Everyday Commentary.

• Carry Q2 2026

  The app I used to write the blog recently changed. This looked like it went up on Saturday, but it didn’t. Sorry for the delay. It has been a very good summer weather wise. With only a handful of days over 95 or under 7…

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Technologist and entrepreneur; former CTO of Threadless and chief technology officer of the 2012 Obama re-election campaign.

• "Sorry for the token bonfire, Doctor Biz."

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Creator of Ruby on Rails, CTO of 37signals, and creator of Omarchy.

• I'm sorry, Dave

  Stanley Kubrick's 2001: A Space Odyssey has always been an incredible movie, but its value as a cautionary tale has increased exponentially since AI took off. The iconic scene with HAL 9000 refusing to open the pod-bay…

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Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".

• One pattern I find useful for working with LLMs is a nice long ramble session. Sometimes the LLM needs more bits to understand what you're trying to achieve, but you're too lazy to type them. In these cases I like to lean back, switch to /voice and just ramble for like 10 minutes, total mess, anything goes, full stream of consciousness. Sometimes I declare it up top, something like "switching to speech recognition sorry for any typos...". Sometimes I turn it into a small interview of a few turns. But I find that the LLMs are somehow very good at reconstructing long incoherent rambles and ofte…

  LLMsRelated

Game designer and programmer, co-founder of id Software and co-creator of Doom, Quake and Wolfenstein 3D. Now runs Romero Games in Galway, Ireland.

• I’m so sorry for everyone at id Software affected by these layoffs. I know what it feels like to leave id while id goes on. It’s a strange and painful thing to step away from a place that holds so much of your work, friendships and history. The people at id have done a great job moving that legacy forward. DOOM, Quake, and Wolfenstein are not easy names to carry on, especially in today’s industry. The last few games showed real care, skill and respect for what those worlds mean to people. A note on digital preservation: id's history is critically important to the history of games. I’ve preser…

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Writes Very Serious, a newsletter on politics, the economy and culture, and hosts the podcast of the same name.

• Europe Needs Air Conditioning

  Sorry if I'm boring any Europeans with this observation

  EuropeRelated

Wall Street Journal bestselling author on marketing and writing, partner at MarketingProfs, and writer of the fortnightly Total Annarchy newsletter.

• Sorry for Ghosting: Where I’ve Been (Pssst New Book!)

  Ann Handley is back with a big announcement...her new book coming in 2027! She shares a peek into the writing process.

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Self-taught home cook and food writer who has run the Smitten Kitchen recipe site since 2006; author of four cookbooks.

• chicken salad for celery enthusiasts

  I’m not sure if this is a sign of hitting a certain age — like a sudden interest in bird feeders (check, and please tell me about yours), or beekeeping (well, in the TikTok sense, not sorry), and animated conversations…

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Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.

• A sufficiently comprehensive spec is not (necessarily) code

  Sorry for missing last week! Was sick and then busy. This week I want to cover a pet peeve of mine, best seen in this comic: A "comprehensive and precise spec" is not necessarily code. A specification corresponds to a s…

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Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.

• This life is fucking amazing. I'm so grateful to be alive, with all of you on this miracle of a planet. Oh and I'm sorry if I fuck things up sometimes. I'm a flawed human. But I promise to do whatever I can to try to add some more understanding and love to this world. After the world leader convos I get attacked intensely by all sides, and many disparate online communities. It has led to some really low points for me mentally. But I don't matter. I'm listening. I'll do better. And I'll try to find the strength to do more of them, always with rigor and backbone, seeking to truly understand. An…

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Hosts the Lex Fridman Podcast — long, unhurried conversations with scientists, engineers and public figures. Several of the interviews quoted elsewhere on this site are episodes of it.

• It was an honor to hang out with Jensen Huang, CEO of @nvidia, and do a long-form podcast with him. Really fun & fascinating technical deep-dive conversation on & off the mic. One of the most brilliant & thoughtful human beings I've ever met. NVIDIA is the most valuable company in the world by market cap and is the engine powering the AI revolution. Podcast probably out tomorrow (Monday) unless I get stuck in too many interesting conversations while running around in SF ;-) PS: I haven't checked my messages in days. Sorry for slow replies 🙏 Trying to stay deeply focused at in overwhelmingly…

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Semiconductor analyst; writes Fabricated Knowledge on the chip industry and the companies in it.

• Software Follow Up

  Let's refine the thesis. Sorry guys, the net cope means I'm probably going to be right.

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Organizational psychologist and professor at the Wharton School. Author of Give and Take, Originals, Think Again and Hidden Potential, host of the Re:Thinking podcast, and writer of the GRANTED newsletter.

• Sorry, Marvel. The Greatest Superhero is Superman

  He's the most super... and the most human.

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Organizational psychologist and professor at the Wharton School. Author of Give and Take, Originals, Think Again and Hidden Potential, host of the Re:Thinking podcast, and writer of the GRANTED newsletter.

• How to Pick a Job, Say No and Sorry, and Avoid AI Pitfalls

  My favorite reads of the past month

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Computer performance engineer working on datacenter performance at OpenAI, previously Netflix and Sun/Joyent. Author of Systems Performance and BPF Performance Tools, and creator of flame graphs.

• My website is online as http at https://t.co/1cRpD64hyP, but I just broke the https links, sorry. If you delete the "s" then the links should still work.

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Writer and engineer behind the blog Melting Asphalt, and co-author with Robin Hanson of The Elephant in the Brain.

• 2yo: it’s coldy outside weird that it can be sunny, cloudy, rainy, snowy, windy, stormy, even chilly… but not coldy sorry kid, English is hard

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Co-founder and partner at Union Square Ventures in New York. Has written the AVC blog almost every day since 2003, on venture capital, startups, music and crypto.

• Hi Everyone. As many of you know, this account was taken over by a hacker on Tuesday and they ran an NFT scam on it. I feel terrible about that and am sorry for anyone who was scammed.

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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.

• I got nerdsniped much harder than intended by Advent of Code and so here's a writeup of how to process a 20,000 element list in C++ template metaprogramming without blowing your compiler's stack, and also about manually compiling a regular expression into a compile-time state machine. Sorry but also not sorry:

  blog.nelhage.com

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Programmer; co-founded GitHub and was its CEO, and created the Mustache templating language and Resque.

• repl — Sometimes you need a REPL. Unmaintained, sorry.

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Creator of the Zig programming language; president and lead developer of the Zig Software Foundation.

• Zig: January 2018 in Review

  One month (and a few days, sorry I'm late!) has passed since I did the December 2017 writeup, and so it's time for another month-in-review for my esteemed sponsors. LLVM 6 Readiness LLVM 6.0.0rc2 was just announced on t…

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