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Philosophy professor at UC Berkeley and creator of pandoc, the universal document converter, and of the CommonMark markdown specification.

• texmath — A Haskell library for converting LaTeX math to MathML.

  CommitsrenderTeX: use a lazy Text accumulator to avoid quadratic rendering. · Replace SYB traversals with hand-written ones. · TeX reader: use a prefix trie in oneOfStrings.

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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.

• Today’s America: 3 million business owners worth an average of $25 million each, notables in their towns but not individually visible to the nation. And more than half the rise in the top 1% share since 1985 flowed through the pass-through businesses that was a “tax efficiency innovation” feature of the Reagan Revolution. The Reagan Revolution promised faster growth in exchange for lower taxes on the rich. The rich won; the growth never showed up: **Passthrough Tax Loopholes & the Rise... 1/

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Co-founder of Y Combinator and Viaweb; essayist at paulgraham.com.

• In the 1950s, an aluminum company commissioned Vacheron & Constantin to make them some aluminum pocket watches. The case, dial, hands, numerals, and even the plates in the movement are aluminum. The resulting watch is 44 mm in diameter but weighs only 22 g.

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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.

• 10 Thursday AM Reads

  My morning reads: • Here’s Who Trump Should Blame for the Rate Hike He’s Raging About:He promised lower prices and lower interest rates. His policies delivered renewed inflation and a rate hike. (The Bulwark) • Gas Pric…

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Analyst of the business of technology; writes Asymco on Apple, disruption and, latterly, micromobility.

• What happens when smartphones become too good?

  Thoughts just before the Duo launched The smartphone industry has spent much of its history persuading consumers that the device in their pocket could be substantially better. Cameras improved, screens sharpened, and mo…

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CEO of Vercel; creator of Next.js and Socket.IO. Writes at rauchg.com.

• Secure builds (in-VPC / VPN / static IP) are now 64% faster to start. Given how common data access at deployment time is on Vercel (e.g: for pre-rendering), we developed a capability for our build microVMs to join secure networks. This is now way faster!
  Quoting@vercel_devSecure Compute and Static IP builds now start 64% faster. Builds used to boot a fresh container with the network attached. They now claim a prewarmed one and attach it on the way in.

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Philosophy professor at UC Berkeley and creator of pandoc, the universal document converter, and of the CommonMark markdown specification.

• doctemplates — Pandoc-compatible templating system

  CommitsDocs: correct description of boolean rendering. · Fix reverse, alpha, roman pipes on multi-chunk Docs. · Fix roman pipe for numbers >= 4000.

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Creator of the Keras deep-learning library and the ARC-AGI benchmark.

• About a year ago, before it was on anyone's radar, we began exploring the idea of a benchmark for open-ended invention. Since then, we've developed several promising directions that will serve as the foundation for ARC 4 and ARC 5. We're incredibly excited to share what we've been building. We're still on track to release ARC 4 in Q1 next year, as promised.
  Quoting@arcprizeARC-AGI-4 will be a benchmark for autonomous open-ended innovation. It will continue our commitment to open-source, giving the research community a shared target for progress that benefits all of humanity. Despite rapid model progress, humans still significantly outperform AI at open-ended inventio…

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Programmer, writer and musician; author of the Learn Code the Hard Way books and of Mongrel, the Ruby web server.

• I'm currently on day 32 of learning opengl and today I'm going to do some text rendering. I also think I'll look at Google's Skrifa as an alternative to FreeType because FreeType is the spawn of Satan:

  twitch.tv

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Philosophy professor at UC Berkeley and creator of pandoc, the universal document converter, and of the CommonMark markdown specification.

• djoths — Haskell parser for the djot light markup language

  CommitsSpeed up djot rendering of Str inlines. · Skip empty chunks when advancing to the next chunk. · Fix off-by-one in pAtMost.

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Author of The 4-Hour Workweek and Tools of Titans, and host of The Tim Ferriss Show podcast.

• NEW podcast episode is up! "Why Kids Can Learn 10x Faster Than We Think — @NielsHoven of @MentavaInc (Tim Coaching Session)" This episode is a bit different. It’s a live, unscripted working session with a founder, and I’ve only done one other earlier this year. Niels Hoven (@NielsHoven) is the founder and CEO of Mentava, a company building software to support fast learners. Eager kids are dramatically underserved by today’s education system, and Niels created Mentava to allow students to achieve their potential. Prior to Mentava, Niels worked at Cloudflare, ClassDojo, and Pocket Gems, where h…

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

• BlueskyThings I’ve put in my t-shirt pocket: - King Size Reese’s - Cigar - Boarding pass - Parking garage receipt - Field Notes - Sticker that someone gave me - Drum key - SD card - Dog treats

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• MastodonThings I’ve put in my t-shirt pocket: - King Size Reese’s - Cigar - Boarding pass - Parking garage receipt - Field Notes - Sticker that someone gave me - Drum key - SD card - Dog treats - Napkins for eating popcorn in a movie theater - Studio Neat pen - Socks - Apple TV remote - Tiny nuts and bolts Not all at once, mind you. Here ends my enthusiastic endorsement of the powerful pocket tee.

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Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.

• A Review of **rmarkdown** Updates from 2024 to 2026

  Back in 2022, I promised that R Markdown wouldn’t die. In this post, I’ll give a summary of notable updates in rmarkdown v2.26–v2.32 (2024–2026). For the full changelog, please see the release no…

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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.

• I didn’t become Prime Minister to just make a few tweaks around the edges. I want to change the way this country works. For too long, politics became comfortable with the idea that some things just can't be fixed. People sleeping on our streets. Huge inequalities between different parts of the country. Young people unable to afford a home. Communities watching decisions about their future being taken somewhere else, by someone else. Governments have talked about those things. They've even promised to fix them. But too often, they've reached the same conclusion: it just can't be done. I don't…

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Programmer, musician and author of The Passionate Programmer; organised RubyConf and RailsConf and has worked as a CTO.

• "Memory plates still rendering — the sora queue is slow this morning." Working with agents is uncanny sometimes.

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Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.

• Dave Barry found out he won the Pulitzer about a minute before they announced it. First thing he had to do was tell his son they weren't going to Key West. There's a famous photo of the two of them hugging at the exact moment they said his name. The kid had just been promised a

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Programmer, musician and author of The Passionate Programmer; organised RubyConf and RailsConf and has worked as a CTO.

• The internet promised us access to all the world’s information. Instead, social media, algorithmic advertising and the attention economy have created a morass of truth, half-truths and lies, making it harder to know both what’s true and what people actually believe. CHOMP is trying to cut through that. Really excited to have backed Kiko and the team.
  Quoting@chompdotfyiWe raised $3.6M to map what the world really thinks. 50K players. 2M+ answers. And we’re just getting started. Hot takes. Hard questions. Juicy reveals. The new Chomp is coming to iOS very soon. Join the waitlist ➡️

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Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.

• actions — Miscellaneous Github Actions

  CommitsUpdate action references to v1.3.2 · Install the package before rendering the site in litedown-site · Update action references to v1.3.1

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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.

• Most people have never heard of siRNA, but it’s going to change the face of medicine. https://t.co/RLP1pxuICA Much drug development today involves developing chemicals to fit into proteins and block them. But this almost never turns out as planned: many drug candidates get broken down in the body, interfere with other proteins and cause toxic side effects, or fail to be absorbed at all. The majority of proteins are considered undruggable, because they lack a pocket for drugs to bind, or they are ‘intrinsically disordered’, without coherent structure. What if, instead of trying to block the pr…

  worksinprogress.co

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Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.

• I got my Retroid Pocket Nova today and it's exactly as lovely as I hoped it would be 🥺 Retroid's own dual-screen accessory also feels very nice with it. Excited to dig in

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Co-founder of WordPress and founder of Automattic; blogs at ma.tt.

• Toni on Verge

  Toni Schneider, Automattic’s founding CEO, board member, and now CEO of Bluesky, has a great conversation with Nilay Patel on The Verge’s Decoder podcast (YouTube, Pocket Casts). Automattic invested in Bluesky back in 2…

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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.

• Earlier this year, the FTC Chair said "you're going to have a hard time keeping up with the number of cases we're gonna be bringing" on privacy. I guess this is starting? See https://www.ftc.gov/system/files/ftc_gov/pdf/Hims-Complaint-Redacted-E-Filed.pdf. The bulk of the complaint is about standard scammy practices, but there's this section where the FTC is going after them because they promised to keep information private but use tracking pixels from various ad providers, which inherently share information about the user information.

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Programmer and technology writer known for his long Mac OS X reviews at Ars Technica; co-hosts the Accidental Tech Podcast and Hypercritical.

• RE: https://c.im/@rconti/116959863454627322 It's not a good rendering!

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Web standards author and speaker; wrote the CSS: The Definitive Guide series and co-founded the An Event Apart conference.

• I just re-installed SuperDuper! (https://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html) after I somehow managed to break it. Been registered to me for 14 years, the main window informs me. That seemed like it was way too long, so I checked my logs and yep, my first logged run of it was at the beginning of August 2012. So, thanks for almost a decade and a half of backing me up, SuperDuper!

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Labour politician. Prime Minister of the United Kingdom from July 2024 to June 2026, and MP for Holborn and St Pancras from 2015 until standing down in 2026. Director of Public Prosecutions before entering Parliament.

• I have made it my mission to give a voice to those who were ignored for too long. I promised that my government would deliver the Hillsborough Law. I’m proud that today we’re making good on that promise.

  governmentRelated

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

• Quick Hits: Three True Pocket Sized Multitools

  Note: This review, as with all content I write on this site, is my opinion. It does not reflect the opinion of others, including the American Knife and Tool Institute (AKTI), the cutlery trade group that I advise on leg…

  AmericaRelated

Labour politician. Prime Minister of the United Kingdom from July 2024 to June 2026, and MP for Holborn and St Pancras from 2015 until standing down in 2026. Director of Public Prosecutions before entering Parliament.

• I promised that we would fix our NHS, so it’s fit for the future. Today, more patients are reporting improved experiences with their GP, dentist, and pharmacist since we’ve been in government. Delivering real change to people across the country.

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Emeritus Professor of Statistics at the University of Cambridge, former president of the Royal Statistical Society, and author of The Art of Statistics.

• I am beside myself with joy that The Art of Uncertainty is out in paperback today! Fits in any (largish) pocket, easy to read on the train or while jammed into a steaming underground carriage. The perfect present for the nerd in your life.

  amazon.co.uk

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Canadian full-stack web developer who makes JavaScript and CSS video courses and co-hosts the Syntax podcast.

• syntax-supercut-studio — Local SvelteKit app for rendering transcript supercuts

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

• Kizer Bear Zero Review

  Minimalism, as a design trend in knives, was an answer to the tacticool trend of the Aughts. Those gilled, curvy, half pound clunkers were terrible in the pocket and only slightly better at cutting. It is easy to see ho…

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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.

• Craig Newmark on Institutional Maintenance, Giving Away Control, and the Internet We Were Promised (Live at 92NY)

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

• The malleable computer

  Open source promised that users would be free to change whatever code they were running. The reality, however, is that hardly any of them ever did — it was simply too hard. Now, with AI, it suddenly isn't. This is very…

  open sourceRelated

Swiss full-stack developer working mostly with Laravel and Vue; author of the widely used git-auto-commit-action GitHub Action.

• Just published my Laracon EU 2026 recap. Lots of great talks this year — highlights for me were Dan Harrin on abstractions, Peter Suhm on unblocking users with AI, and Shane Rosenthal showing NativePHP rendering actual native iOS and Android elements. Also a good reminder to finally look more seriously at PostgreSQL. https://stefanzweifel.dev/posts/2026/03/12/laracon-eu-2026-recap/ #LaraconEU

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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.

• Health Insurance: I'm still really happy with what I've been doing since since 2020: - Direct primary care (DPC) physician subscription - Sedera Health Sharing (alternative to insurance with a $5k annual max out of pocket type of setup) https://t.co/RB2oXA82eL Total monthly cost for me at 51 is about $400. And no copays for doctor visits! Cautions: works best for people without existing chronic expenses. Also check the ACA marketplace including subsidies which can be very affordable in some cases.
  Quoting@LancerShull@mrmoneymustache Wondering what your latest take is on health insurance? The marketplace plan I have more than doubled after an increase in income. Thanks for sharing your TRT experience. 👍💪☕

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