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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 know i joke on here a lot but want to address something serious it has come to my attention that ryan for a week said this round of rebase trivia would be star wars themed and then proceeded to ask 12 star trek questions i want to make one thing very clear ryan is an idiot that is all

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American science fiction novelist (Old Man's War, Redshirts, The Kaiju Preservation Society); has run the blog Whatever since 1998.

• I Assure You All That My “Dad Joke” Powers Are At Their Full and Terrible Peak

  I regret nothing. — JS

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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.

• joke's on Leo right 🫠
  Quoting@XanjVol@Alpha_Ex_LLC @KrisAbdelmessih willing to bet he doesnt even understand greek exposures, especially vega.

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Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.

• I like to joke that one way to reduce divorce rates would be to have people move in with their spouse’s parents for a few weeks before getting married. there’s a bunch of data in there that would serve you well in your marriage, that you might not get in 15+ years of marriage

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• it’s like that old joke, “over many years I painstakingly built these beautiful walls, made this gorgeous bar, all with my own hands, sweat and toil. does anyone call me a great builder? No. but you fuck just one goat…”
  Quoting@WashletJPSaw a big Hyrox poster at the gym and all I thought of was that lady shitting herself. That’s their brand now

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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.

• The puzzle of why the @turbopuffer X account follows these 5 people, and no one else, is either a deliberately hard puzzle or an insider joke. If anyone cracked it, let me know:

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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.

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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.

• Quick Reads now saves multi-page websites

  As of today, Quick Reads now attempts to save all pages of the multi-page articles you save to the service. This works no matter how you save articles (browser extension, iOS app, API, or pasting into the website). For…

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Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.

• x.comThe latest issue of my newsletter is out! Come by and check out a punny joke, a (seemingly simple?) practice coding question, some web news, and mooore:

  cassidoo.co

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• BlueskyThe latest issue of my newsletter is out! Come by and check out a punny joke, a (seemingly simple?) practice coding question, some web news, and mooore:

  cassidoo.co

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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.

• Our pets are both Catriotic Catnadians, which is to say we have managed to switch them off of US-made cat food to a Canadian product. The dimmer of the pair for a while refused to believe it was food…. Still using MAGA litter though, and despite the mean-spirited propaganda joke therein, we’ll switch that too. #caturday #DumbAssMAGATradeWar

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Mathematician and Senior Lecturer in the Mathematics department at Columbia University. Author of the book Not Even Wrong and of the long-running physics blog of the same name.

• The 92-Year-Old Mathematician and the Teenage Apprentice

  As an antidote to the overwhelmingly depressing news of the world, I highly recommend reading the new article in the New York Times about this mathematical result. There have been some articles about this earlier in pla…

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Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.

• x.comHello, world! My latest newsletter issue is out full of neat articles, some fascinating videos, practice coding, a joke, and mooore:

  cassidoo.co

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• BlueskyHello, world! My latest newsletter issue is out full of neat articles, some fascinating videos, practice coding, a joke, and mooore:

  cassidoo.co

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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.

• What’s the problem w using LLMs to write stuff you want other people to read -emails, articles, posts- and why are people (like me!) so incredibly hostile that they will block you/mute you/block your domain, to never read anything from you again? Bryan spells it out. Read it:
  Quoting@bcantrill.bsky.socialYour intellectual fly is open bcantrill.dtrace.org/2025/12/05/y...

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FreeBSD developer and former FreeBSD Security Officer; founder of the Tarsnap online backup service and author of the scrypt key derivation function.

• The problem with Corey is that he is sufficiently weird that when he starts a sentence with "True story", I honestly have no idea whether it's literally true or simply a joke.
  Quoting@QuinnyPigTrue story: I did a brief stint at Grindr in 2011. Needed a server for something, and the name I picked was “phallusy,” as in “logical.” Then Randall, who I didn’t know yet, tripped over the rdns entry when the IP got reassigned within AWS.

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Software engineer in Chicago; writes the cassidoo.co blog and a weekly developer newsletter.

• x.comThe latest issue of my newsletter is out! We've got a lovely quote, a fun practice coding question, a punny joke, my latest hobby deep dive, and mooore. Check out the archive and subscribe:

  cassidoo.co

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• BlueskyThe latest issue of my newsletter is out! We've got a lovely quote, a fun practice coding question, a punny joke, my latest hobby deep dive, and mooore. Check out the archive and subscribe:

  cassidoo.co

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Researcher and science writer. Co-founder and editor at Works in Progress magazine, formerly a researcher at Our World in Data, and author of the Scientific Discovery newsletter on science, global health and medical innovation.

• There are entire articles written around the problem of why the prevalence of type 1 diabetes has risen - nutrition? toxins? - that don't even consider whether it might be because fewer patients are dying young & continue to be in the numerator. This should be step 1

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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).

• A couple of days ago, I did a quick explainer on Claude’s new watermarking process and implementation. Since it’s such a popular topic and sparked such a lively discussion, I thought it might be interesting to go into a bit more detail when explaining how it works. So, instead of the usual text article, I recorded a little lecture on the topic (to change it up a bit from my usual articles). It ended up a bit longer than intended, but I hope it clarifies a lot of things: - Sampling the next token in an LLM and pseudorandom number generators - How watermarking relates to the regular LLM samplin…

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Writes Where's Your Ed At and hosts Better Offline; runs a tech PR firm, and argues at length that the AI business does not add up.

• Premium: How Much Money Does AI Need?

  I’ve heard from people in the past that my articles are too long, and I wanted to start by saying that, for the most part, they’re going to stay long, because I feel like the only way for me to make my arguments is to be

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Interactive fiction author and hacker; wrote Spider and Web and Hadean Lands, and designed the Glulx virtual machine.

• Religious firestorm topic of the day: https://news.vt.edu/articles/2026/07/clahs-appalachia-speech-lab.html (Appalachian Gothic panel.)

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Web developer and writer; an early GitHub employee, author of speaking.io and of widely read essays on startups and product.

• i’m wearing an ANGELS DESERVE DPI TOO shirt for @signedco today at an angel investor event and I don’t think many quite understand the joke, which in and of itself is pretty telling of the typical angel investor these days too. it’s a self-referential referential joke.

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Swedish programmer with degrees in engineering and psychology, author of Your Code as a Crime Scene and founder of CodeScene.

• I made a conscious effort to unplug during my vacation. Coming back, I noticed the lovely new Substack feature: Scan for AI text. Coincidentally, I had updated the About section for my Substack a while back with some notes on what my blog is *not*: "## What this isn’t Content creation isn’t my job. I write these articles because I a) love to write, and b) care deeply about our profession. It’s a fun hobby, not a job. Consequently, I don’t feel any pressure to publish on a schedule. I’d rather publish less and maintain a higher quality bar. So far, that has worked out to roughly one article pe…

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Programmer; wrote Extreme Programming Explained and Test-Driven Development, signed the Agile Manifesto, and writes Tidy First?.

• Canon 3X: Explore/Expand/Extract

  I’ve started a series of Canon articles where I explain my ideas as plainly & unambiguously as possible—no analogies, no persuasion, just the facts.

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Pseudonymous writer; posts careful, funny investigations of everyday questions — air quality, seed oils, arguing, chess — usually by reading the studies.

• How do you feel about articles with question titles?

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Pseudonymous writer; posts careful, funny investigations of everyday questions — air quality, seed oils, arguing, chess — usually by reading the studies.

• On a near-daily basis I get emails offering to pay for "sponsored articles" or for linking to sketchy crypto/casino sites. I guess everyone gets these? Search engines surely prohibit this, but does it get your content removed from LLM training?

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Economist at Brown; writes ParentData and the books Expecting Better and Cribsheet, reading the evidence behind pregnancy and parenting advice.

• Dinner, Planned: 5 Minutes to Less Mental Load

  Subscribe to ParentData You’ve used all of your free article views. Subscribe today to get: Unlimited access to articles on ParentData Personalized newsletters delivered to your inbox Invitations to virtual events with…

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Web designer; founder of SimpleBits, co-founder of Dribbble, and author of Bulletproof Web Design and Handcrafted CSS.

• A Serif Badge Pin using a stretched out version of my Spagetty typeface in antique silver (probably not real silver) and it's available now in the shop! Wear it with pride, knowing that most people will point out the horrendous typo. Then you can explain the joke and they will probably think even less of you. But deep down, you'll know you have the upper hand regarding typography lingo puns. And that means something.

  simplebits.shop

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

• Three sacred cows that must die so Europe can live

  The decline of Europe is not inevitable, despite how much Americans love to joke/proclaim that the continent is doomed to become an open-air museum. Sure, it's possible that things have to get worse before they get bett…

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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.

• The Must-Read Articles of the Month

  And our new research on why leaders really oppose work from home.

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Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.

• You can finally power on a Mac remotely

  Apple FINALLY lets you turn on your Mac remotely, without having to press the power button. In the media, articles suggest it's a reaction to Mac mini power button complaints. While I agree the M4 mini's power button is…

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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.

• The Allure of Narcissistic Leaders and the Forgotten Joy of Being Ordinary

  My favorite recent articles and conversations.

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Economist specialising in global income inequality; formerly lead economist in the World Bank research department, now at the CUNY Graduate Center and author of the Global Inequality and More newsletter.

• How severe is China’s growth slowdown (in historical perspective)?

  There are many alarmist articles on China’s growth slowdown (for a nice specimen, see here).

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

• LLM Knowledge Bases Something I'm finding very useful recently: using LLMs to build personal knowledge bases for various topics of research interest. In this way, a large fraction of my recent token throughput is going less into manipulating code, and more into manipulating knowledge (stored as markdown and images). The latest LLMs are quite good at it. So: Data ingest: I index source documents (articles, papers, repos, datasets, images, etc.) into a raw/ directory, then I use an LLM to incrementally "compile" a wiki, which is just a collection of .md files in a directory structure. The wiki…

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Programmer on the Dart language at Google and author of Game Programming Patterns and Crafting Interpreters; previously a game developer at EA.

• I've read so many articles in the past year from developers talking about how much more productive LLMs have made them at work. You know what I can't recall a single one of them mentioning? Getting a raise because of it.

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Software entrepreneur who bootstrapped and sold FeedbackPanda and now builds Podscan; writes The Bootstrapped Founder.

• Many Heads, Not Many Hats: The Founder’s Identity Crisis

  Reading Time: 8 minutesWe often joke in entrepreneurship about founders having to wear many hats. But I think that metaphor is wrong. It’s not about swapping hats. It’s about growing entirely new heads. Not just the cov…

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Founder of the Silicon Valley Product Group; wrote Inspired, Empowered and Transformed on how product organisations work.

• The Product Model at Google

  By Marty Cagan and Elias Lieberich Marty’s Note: Recently I co-authored articles on The Product Model at Spotify, and The Product Model at Amazon. In this article, we hope to do the same by describing how the product mo…

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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.

• Getting Laptops Out of Classrooms and Talking People Out of Hate

  My favorite fall articles and podcasts.

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Game designer; wrote A Theory of Fun for Game Design and worked on Ultima Online and Star Wars Galaxies.

• Recommended posts, 2017-2025

  It’s been over five years since the last time I gathered up recommended posts in one place and added them to the menu above. I figured I was due. As usual this will include talks and interviews as well as articles. Just…

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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.

• What Is The Right Atomic Unit For Knowledge?

  Two centuries ago, the invention of peer-reviewed articles changed the course of scientific history. What will be its equivalent in the age of AI?

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Founder of the Silicon Valley Product Group; wrote Inspired, Empowered and Transformed on how product organisations work.

• Prototypes vs Products

  Note: This is part of the product creator series of articles, based on the overview article, The Era of the Product Creator. This series is intended for anyone that wants to create a successful product, whether or not t…

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Roboticist; co-founded iRobot and Rethink Robotics, directed the MIT AI Lab, and publishes a scorecard grading his own dated predictions about AI, robots and self-driving.

• Alan Turing on Embodied Intelligence

  The term “Embodied AI” is having its moment in the sun right now. For me, that is what I have spent my career working on, and I have repeatedly published articles using the term “embodied intelligence”. I recently stumb…

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Founder of the Silicon Valley Product Group; wrote Inspired, Empowered and Transformed on how product organisations work.

• Forward Deployed Engineers

  Note: This is part of the product creator series of articles, based on the overview article, The Era of the Product Creator. This series is intended for anyone that wants to create a successful product, whether or not t…

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Founder of the Silicon Valley Product Group; wrote Inspired, Empowered and Transformed on how product organisations work.

• The Purpose of Prototypes

  Note: This is part of the product creator series of articles, based on the overview article, The Era of the Product Creator. This series is intended for anyone that wants to create a successful product, whether or not t…

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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.

• Essential Reading for Agentic Engineers

  A curated collection of must-read articles and videos for mastering Claude Code, agentic coding workflows, and the future of AI-assisted development

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Pen name of the Canadian-American writer behind mrmoneymustache.com, a blog on frugality, early retirement and index-fund investing that has run since 2011.

• "Hair is more important than saving money" - just the latest in a never-ending joyful stream of wisdom I get in the comments on some of the oldest MMM articles!

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Economic historian writing on the Industrial Revolution, the Great Divergence and the origins of modern growth.

• It's hard to believe that it's just been one year! So many really fantastic articles in such a short time.
  Quoting@oliverwkimMy 1-year anniversary post on 🌐Global Developments🌐 is up—if you have any comments / feedback over the previous year of posts, please let me know! One Year of Global Developments

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Artist and writer based in Oakland, California; author of How to Do Nothing and Saving Time, and a longtime teacher of digital art.

• I honestly couldn’t tell if this was a joke but it did make me want to bike past doing a loud monologue

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Programmer and writer; co-wrote The Rust Programming Language and worked on Rust's documentation for years.

• Against Names

  There’s an old saying: There are only two hard things in Computer Science: cache invalidation and naming things. ― Phil Karlton I also appreciate the joke version that adds “and off by one errors.” Lately, I’ve been thi…

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Professor at Carnegie Mellon working on self-driving-car safety; writes Safe Autonomy on how autonomous vehicles are and are not shown to be safe.

• When Is a Recall Not a Recall?

   This opinion piece claims that a Tesla software update should not be a recall. I'm calling bullsh*t. Article Link: https://www.wsj.com/articles/dont-believe-the-tesla-headlines-safety-recall-software-update-c2e95f…

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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.

• https://www.intel.com/content/www/us/en/developer/articles/technical/advanced-performance-extensions-apx.html RISC architecture is going to change everything! (Link via @adrian )

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Front-end developer and writer on Svelte, Vue, CSS and WordPress; blogs at joshcollinsworth.com.

• svelte-dad-joke — A small Svelte/TypeScript project with Netlify serverless functions. Uses the Dad Joke API to get random jokes or search jokes with query parameters.

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