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18 September
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
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.
Librarian, technology instructor and writer in rural Vermont; longtime community manager at MetaFilter and author of a book on the digital divide.
Friday afternoon reminder to not empty your inbox at the expense of someone else's. This is the weekend I get my wood in (i.e. have pellets delivered) so I'm thinking of chillier days even though it's 70° outside. Trust me, you'll feel better if you make some plans for what's ahead, however you interpret that. Have a good weekend. Image credit: Library of Congress, on Flickr Commons flickr.com
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Analyst of the business of technology; writes Asymco on Apple, disruption and, latterly, micromobility.
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 Friday AM Reads My back in NY morning reads: • Why Are Valuations Falling in a Bull Market?: Ben Carlson runs the year’s tape — mortgages from 6% to 7%, the 10-year from 4% to 5%, inflation from 2.4% to 3.4%, oil from under $60 to ove…
inflation Related
Criminal defence lawyer in New York; writes Simple Justice, mostly about how criminal law works in practice rather than in theory.
Seaton: Friday Night Dance Fever My kids have a school dance tonight. It’s my son’s first of middle school and one of the last my daughter will see at this particular grade level. And of course, because I’m a sucker for this sort of thing, I’m chaperon…
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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.
“I left my manager job at an enterprise company, to take a hands-on role as an engineer at a company building AI solutions.” - heard this recently. The reason: realizing that staying would mean both not learning how to build with AI agents (company moves v slow) + seeing that the business could easily be disrupted by a competitor that does just that Related
17 September
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Founder and CEO of Wolfram Research, creator of Mathematica and Wolfram|Alpha, and author of A New Kind of Science.
After a hiatus brought on by tragedy, I'm planning to return to livestreaming tomorrow (Friday) ... and will start with a personal update and AMA. What would people like to ask about? Related
16 September
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.
imma regret saying this. but. pi 3.14. next week friday. just a new harness. Related
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.
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
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
15 September
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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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.
14 September
British comics writer and novelist (Transmetropolitan, Planetary, The Authority, Gun Machine). Keeps a public daily notebook logging what he reads, watches and listens to.
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Gear reviewer who publishes long-form hi-fi audio and camera equipment reviews, plus video reviews, at stevehuffphoto.com.
13 September
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.
Midwit here! If the OpenAI Navier Stokes proof had been dropped online by an introverted mathematician who no one previously heard of, you'd all be celebrating the enormous breakthrough and analyzing it rather than writing tales about the demise of maths. OpenAI Related
12 September
Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?
You know the Milgram experiment where people hit a button and heard people screaming in the other room but they kept doing it because they felt they had to? That’s actually how posting works on here. Related
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.
Listening carefully doesn't just avoid misunderstandings. It also bolsters bonds during arguments. 5 studies: Even if people don’t find common ground, when they feel heard, they leave feeling more connected, capable, and optimistic. Agreement is not a prerequisite for respect. Related
11 September
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.
Librarian, technology instructor and writer in rural Vermont; longtime community manager at MetaFilter and author of a book on the digital divide.
Friday afternoon reminder to not empty your inbox at the expense of someone else's. My "big plans" today involve sawhorses and telephones and catching up on my newspaper reading. Argue all you want about AI, the analog world will be here when you're done, mostly. Schedule those emails. Have a good weekend. Image credit: State Library of New South Wales, on Flickr Commons flickr.com
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Journalist and author of The Art of Noticing; writes the newsletter The Art of Noticing (TAoN) on attention, creativity and the everyday.
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.
Say hi at @FutureProof_HQ next week. Easy to find me on Monday wearing @Broncos gear for MNF! PS I've heard that if you use the secret password at the @tidalfg ("SYLD") or @etfarchitect booth ("ENDW") you might get a free book ...while supplies last! Related
9 September
Mathematician at UCLA, working mainly in harmonic analysis and partial differential equations. Writes What's new, a long-running blog on their research, open problems and expository notes.
Javier Gomez-Serrano will give a special lecture at Harvard this Friday on recent developments in fluid mechanics: cmsa.fas.harvard.edu
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8 September
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.
It's book day for THE PASSING OF THE DRAGON AND OTHER STORIES in the US. My third collection, themed around what it means to speak and to be heard, is available at your favorite retailer. I'm grateful to you, reader. Related
7 September
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.
10yo just learned about Lady Gaga by way of Weird Al. It happens! For a few years, this was the only version of Pink Floyd’s “Brain Damage” I’d ever heard: https://t.co/8ScXD9nbm8 The non-bluegrass version sounded very weird to me. Related
6 September
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?
If we lived on a planet where the sky was a pale yellow that matched the sun’s color, and we heard about a planet where the sky was bright BLUE, it would sound incredibly weird and sci-fi. Just saying. Related
5 September
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.
I asked a local instantiation of google/gemma4:31b-mlx to introduce itself to my new research assistants and point at its own workspace. What came back was a meditation on Plato, salamander brains, and why you should treat it like an eccentric roommate: **ThothBot Makes an Appearance in My RA-Group Telegram Chat: FRIDAY FOG & FLATLANDS** Living & working in Berkeley, California: An AI writes an introduction to my research assistants, & PanGram/SubStack grades it 100% not-slop; or, what... 1/ Google Related
4 September
Writer and programmer; co-founder of the software studio Postlight and author of the Bloomberg Businessweek essay What Is Code?
If you’re a Flatbush-area mutual aid type, this self-organizing distro happens every Friday at 5PM across the street from Kings Theatre. If you want to help show up and hand out food or clothes, or just donate via Venmo. Or cook! 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.
Little Friday Quick Reads update: you can sort your queue in a few new ways. Coming in the next iOS update, your preference will sync between the app and the web. Related
Librarian, technology instructor and writer in rural Vermont; longtime community manager at MetaFilter and author of a book on the digital divide.
Friday afternoon reminder to not empty your inbox at the expense of someone else's. I'm deep in my Massachusetts visit, becoming one of those people who can't look at a place without remembering what used to be there. My birthday is tomorrow, so there are all sorts of opportunities for reflecting and remembering. Oh and I guess it's a holiday weekend in the US, so maybe schedule those emails for Tuesday. Image credit: Library of Congress, on Flickr Commons flickr.com
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Ancient and military historian; writes A Collection of Unmitigated Pedantry, long series checking what history actually says against how popular culture tells it.
Fireside Friday, September 4, 2026 Hey folks! Fireside this week! Last week’s post was a monster (over 10,000 words compared to our more typically ~6,000) which left me with some non-blog catching up to do. Next week, we’ll be starting our next Teaching…
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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.
3 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.
Doing a vibe check…did the iPhone 17 pro's "scratchgate" end up being anything? Mine is in great shape (no case), I haven't heard anyone talk about it in ages, and I didn't even think about it until I just looked back at my review from last year. Related
1 September
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.
Just heard: Meta is moving from GChat (Google's Chat product) to Slack, because... Slack has much better agent interoperability (true) Who thought AI+agents would be a big selling point for Slack? Or that Google would sleep on agents + GChat! Or that Meta used GChat, deprecating Workchat… Google Related
31 August
Web designer and writer; founded A List Apart and Happy Cog, co-founded the An Event Apart conference, and wrote Designing With Web Standards.
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.
29 August
Journalist and author of The Art of Noticing; writes the newsletter The Art of Noticing (TAoN) on attention, creativity and the everyday.
28 August
Librarian, technology instructor and writer in rural Vermont; longtime community manager at MetaFilter and author of a book on the digital divide.
Friday afternoon reminder to not empty your inbox at the expense of someone else's. I'm out of town helping my sister after she recovers from a medical procedure (she's doing well!). I'm out of my routine and pretty well out of my inbox and DEFINITELY out of it after 5 pm. Be mindful about what you ask for from other people, but just do your best. Have a restful weekend. Image credit: National Library of Medicine, on Flickr Commons flickr.com
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American software engineer; worked on code-server at Coder and teaches TypeScript and open-source contribution. Publishes at joeprevite.com.
quick friday task for you stop scrolling and tell yourself this "today your day is going to be full of wins and luck will follow you" then see how the day unfolds Quoting @thebeautyofsaas reminder on how to get lucky >wake up >before doing anything, walk up to the bathroom (first thing in the morning) >look at yourself in the mirror and tell yourself that your day is going to be full of wins and that luck will follow you >witness things you have never seen before Related
25 August
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.
Bluesky Most people have never heard of siRNA, but it’s going to change the face of medicine. In a new article, Jacob Witten explains this magic button to silence genes. worksinprogress.co
Related
x.com 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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22 August
Ruby and Rails core committer known online as "tenderlove"; maintains Nokogiri and works on Ruby performance.
I heard compiler development is good for you because there's so much lattice Related
20 August
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.
(Almost) everything you'd want to know about cancer vaccines can be heard in this great @owl_posting podcast episode from June, feat @iskander @BenjaminGVincen. Highly recommended! owlposting.com
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18 August
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
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.
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.
17 August
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.
14 August
Journalist and author of The Art of Noticing; writes the newsletter The Art of Noticing (TAoN) on attention, creativity and the everyday.
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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Ancient and military historian; writes A Collection of Unmitigated Pedantry, long series checking what history actually says against how popular culture tells it.
10 August
Sequoia Professor of Computer Science at Stanford, co-director of the Stanford Institute for Human-Centered AI, and co-founder and CEO of World Labs.
Their words
humans are capable of doing a lot of things with our tools, but we don't do all of them. For example, today any car manufacturer can say every Friday the brake doesn't work. This is a trivial technology. There's a clock in the car's computer and it just turns off the brake every Friday. But we don't do that because it has deeply bad implications to our human society.
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9 August
Investigative journalist on policing, forensics and criminal justice; wrote Rise of the Warrior Cop and writes The Watch.
Designer, illustrator and CSS developer known for single-div CSS illustrations, a yearly portfolio redesign, and a set of single-topic side-project sites.
A ton of people have submitted the Camp Miasma series to Nestflix, but the movie isn’t showing here until Friday. I am *pumped* though because this is like the gold standard madebymutant.com
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5 August
Journalist and author of The Art of Noticing; writes the newsletter The Art of Noticing (TAoN) on attention, creativity and the everyday.
1 August
Writer and researcher, founder of New Science; writes essays on science funding, sleep research, productivity and ambition at guzey.com.
What about when you: - Grew up in Russia - Went to a university nobody in the States heard about - Never had a job - Wrote a blog in your second language nobody read for years - Just kept writing, tweeting, and cold emailing people until it worked Quoting @distributedkv SF is extremely meritocratic when you are: - ex-Anthropic employee - ex-OpenAI employee - Stanford dropout - MIT dropout - Harvard dropout - PhD dropout at 15 - former poker champion - former chess master - Thiel fellow - born to parents who worked at Roblox Russia Related
31 July
Ancient and military historian; writes A Collection of Unmitigated Pedantry, long series checking what history actually says against how popular culture tells it.
Fireside Friday, July 31, 2026 (On The Odyssey) Hey folks, Fireside this week, as I am fresh back from a short family trip before the jaws of the Fall semester close upon me. I did get a chance to see Christopher Nolan’s The Odyssey and I wrote a review of it for For…
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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.
26 July
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.
Requiem for a Field? Kevin Hartnett posted the following Friday: My profile of @Jacob_Tsimerman, published the morning he won the Fields Medal, and hours before he announced he’s going to @OpenAI, reads like a requiem for a field. While I’m…
OpenAI Related
17 July
Writer and former Substack product manager; publishes essays and interviews on technology, culture and China at jasmi.news.
14 July
Gear reviewer who publishes long-form hi-fi audio and camera equipment reviews, plus video reviews, at stevehuffphoto.com.
8 July
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
15 June
Full-stack Laravel developer based in Madison, Wisconsin; maintains open-source Laravel, Livewire and Alpine.js packages and writes at randallwilk.dev.
Their words
On both my MacBook and iPhone, I prefer to use the Spark Mail App for handling my emails.
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randallwilk.dev
14 June
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.
Their words
And I believe the best product CEOs are in the minutia of the details. you know, all the stories about Steve Jobs. I was so impressed when I heard that he insisted on picking out the carpeting in the conference rooms, you know, and and I tried to have that same mentality of micromanaging the really small pixel level details that matter.
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13 June
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
I have a not-so-secret love for advice columns. Which is why I just started writing one for @StackOverflow, every other Friday for the next 3 months. First column is up -- "Paging Charity! How do I get my leaders to stop running teams into the ground?" stackoverflow.blog
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12 June
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.
9 June
Historian of maritime strategy at the US Naval War College; wrote The Wars for Asia and works on why continental and maritime powers fight differently.
Their words
And then for those of you who are skeptical about international organizations, here's one you've never heard of. The International Organization for Standardization then standardized these container sizes to fit one if by truck, two if by railway cars, and thousands if by sea. And this just plummets transport costs.
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2 June
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.
Their words
It's false to believe that a company is a democracy. The way I run the company was what I called a democratic dictatorship. And I said, I want everyone everyone's voice to be heard and then I'll be the single vote. And I think that's the way a company should be run. I think there's one CEO, there's one chef. I think a good CEO is going to seek out the intellectual honesty, the truths from everywhere and hear from everybody and then they're going to make the decision and they're not going to make the decision because it's most popular in the company.
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29 May
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.
15 May
Writes Stratechery, a subscription newsletter on the business and strategy of technology, and hosts the Dithering and Sharp Tech podcasts.
I’ve been a big fan of what @united is doing in general, but from what I’ve heard (via other passengers and flight attendants), it seems they didn’t renew their Panasonic contract for widebodies while Starlink is rolled out. I’m pumped about Starlink and will seek out United once I know it’s available (had it this week and it was awesome). Until then, however, no Internet, particular on transoceanic flights, is unacceptable and a very poor choice by United’s management. I’ll be flying someone else for those for now. Quoting @sliccardo I’ve just endured my third consecutive long-haul flight on @united with no WiFi. I’ve just decided to choose any other airline available, even if I have to connect to DC through New Zealand. Related
29 April
Mac and iOS developer at the Iconfactory, where he has worked on apps including Twitterrific and Tot. He writes about development at furbo.org.
Their words
This bug affected the App Library, Mail, Notes, Messages, Settings, and more. Having a device that couldn’t find things was crippling.
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furbo.org
22 April
Researcher on distributed systems and local-first software at the University of Cambridge; wrote Designing Data-Intensive Applications.
Their words
Often people in industry I feel like sort of have short circuit reasoning. Like don't maybe don't quite reason something through from first principles but just like oh I heard this from a conference talk I'm just going to go with that
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youtube.com
17 April
Software engineer who worked on Chrome and Polymer at Google, and writes about the web, emoji and Elm at meowni.ca.
28 March
Free software developer; maintainer of sway, wlroots, aerc and scdoc, and founder of the SourceHut (sr.ht) software forge.
tar: a slop-free alternative to rsync So apparently rsync is slop now. When I heard, I wanted to drop a quick note on my blog to give an alternative: tar. It doesn’t do everything that rsync does, in particular identifying and skipping up-to-date files, but…
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27 March
Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.
Nothing New to See Here A founder told me seasoned engineers keep saying AI-built software is not possible. I've heard this exact story before - about the Internet, the Web, SaaS, and mobile.
SaaS Related
13 March
London-based front-end architect, web developer evangelist and cloud consultant; Microsoft MVP. Writes at praveen.science and answers on Stack Overflow.
Folks! 👋🏻 #London 🇬🇧 → 🇮🇳 #Chennai, this Friday, the 13th, today! ✈️ Visiting: 👉🏻 #Chennai 🌊 👉🏻 #Coimbatore 🌴 👉🏻 #Bengaluru 🚀 If you're a #developer, #student, or #founder building something interesting, let's grab coffee and chat! ☕ Schedule intentionally flexible! 👋🏻 Related
11 March
American game designer and director, for nineteen years at Blizzard as a World of Warcraft quest designer and then game director of Overwatch; now runs the independent studio Kintsugiyama.
Their words
And I’ve heard it outside of Blizzard, other people in the industry, which is you design along the path of least resistance.
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5 March
Environmental writer and campaigner; author of Six Degrees, The God Species, Seeds of Science and Our Final Warning.
Have you ever heard anyone say that there's not enough land for renewables? That solar farms will compromise food production? Bad idea! And 'Saving the World from Bad Ideas' is what we're about, so I was delighted to host the BBC's Tom Heap this week to discuss land issues. youtu.be
solar Related
31 January
Writer of MacSparky and author of the MacSparky Field Guides on Apple productivity software. A lawyer for 30 years before going full-time on the site, he co-hosts the Mac Power Users and Focused podcasts.
Their words
So heading into the new year, I’m moving back to Fastmail and using Apple Mail.
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macsparky.com
24 January
Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.
Hid an Easter Egg in the new Azure Friday website...I'm very happy with how this turned out https://www.azurefriday.com/ I think you all will appreciate it Related
14 January
Writer and artist, author of Steal Like an Artist; publishes a weekly newsletter and an annual list of the books he read.
Their words
I also read critic Michael Dirda's On Conan Doyle, a lovely short book I'd never heard of that I spotted on the shelf at the library — hooray for the serendipity of the stacks!
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austinkleon.com
28 December 2025
China economy researcher based in Beijing who writes on his personal blog about Chinese political economy, history, books and music.
The best music I heard in 2025 Another good year for music. Thanks to some lucky coincidences I saw the Sun Ra Arkestra, led by Knoell Scott, three times this year. Every show was different, and each a fun and life-affirming musical experience—see th…
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24 December 2025
Co-founder and CTO of Honeycomb; previously an infrastructure engineer at Parse, Facebook and Linden Lab, and co-author of Observability Engineering.
21 December 2025
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.
Their words
I’ve heard numerous sportswriters call Halberstam’s chronicle of the Portland Trailblazers’ 1979-80 season the best sports books ever written.
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awealthofcommonsense.com
20 December 2025
British senior engineering manager at Netlify, previously a team lead at the BBC; writes about JavaScript testing, chatbots and serverless at marclittlemore.com.
Mastodon If you haven’t heard this Christmas classic mixtape then you really should enjoy it over the festive period. Lots of Christmas songs cut up with MF DOOM rapping. So good. youtu.be
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Bluesky If you haven’t heard this Christmas classic mixtape then you really should enjoy it over the festive period. Lots of Christmas songs cut up with MF DOOM rapping. So good. youtu.be
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27 August 2025
Staff writer at The New Yorker, where he writes the Infinite Scroll column, and author of Filterworld and The Longing for Less.
24 August 2025
Co-founder of Panic, the Portland software company behind Transmit, Coda, Nova and the Playdate handheld console.
Has anyone tried ethernet over grape vines? You could stream "I Heard It Through The Grapevine" and literally hear it through the grapevine. Just thinkin' out loud. Related
18 August 2025
Co-founder and chief executive of Sierra, chairman of the board of OpenAI, and formerly co-chief executive of Salesforce and chief technology officer of Facebook.
Their words
I mean I've heard from multiple investors that foundation models are the fastest deteriorating asset of all time. And so if step one of your business is to burn through tens of millions or hundreds of millions of dollars of capital before you find product market fit and that asset has value for like a a week, I'm not sure it's like a great business model.
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5 June 2025
Chief executive of Alphabet and Google; joined Google in 2004 and led Chrome and Android before taking over in 2015.
Their words
When the internet created blogs, you heard from so many more people. But with AI, I think that number won't be in the few hundreds of thousands. It'll be tens of millions of people, maybe even a billion people putting out things into the world in a deeper way.
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youtube.com
22 March 2025
Programmer and streamer; was an engineer at Netflix, now teaches and argues about editors, Vim and how people learn to program.
Their words
The journey is better than the destination. Everyone's heard this. Just take one second to apply what that means. That means forever starting from now, you are only going towards a place that's worse.
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youtube.com
17 March 2025
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
Their words
I currently use Earth Class Mail but tbh I'm a bit embarrassed by that and I'm looking to switch to Virtual Post Mail
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karpathy.bearblog.dev
Their words
I currently use Earth Class Mail but tbh I'm a bit embarrassed by that and I'm looking to switch to Virtual Post Mail
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karpathy.bearblog.dev
Their words
I still use gmail just due to sheer convenience, but I've started to partially use Proton Mail
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karpathy.bearblog.dev
4 March 2025
Historian of the Renaissance at the University of Chicago and a science-fiction novelist; wrote Terra Ignota and Inventing the Renaissance.
29 November 2024
Founder of the International Center for Clinical Excellence and originator of Feedback-Informed Treatment. Writes about what actually makes a therapist effective, usually against the field's own assumptions about training and experience.
20 August 2024
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.
OpenAI Google
Their words
They could have shipped ChatGPT for example, I heard, in 2019. And they never shipped it because they were so stuck in bureaucracy. But they had everything. They had the data, they had the tech, they had the engineers and they didn’t do it.
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youtube.com
21 July 2024
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.
No More Blue Fridays In the future, computers will not crash due to bad software updates, even those updates that involve kernel code. In the future, these updates will push eBPF code. Friday July 19th provided an unprecedented example of t…
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18 May 2024
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.
12 May 2024
Software engineer and writer; former CTO of Wave, now at Anthropic. Blogs at benkuhn.net on attention, engineering management and doing hard things well.
A bit surprised by how little I've heard about GCP literally fat-finger *deleting a customer account.* Seems like their business was only saved by cross-cloud backups, a practice I previously thought was compliance theater bullshit and will never, ever, ever, question again. Related
14 September 2023
Economic historian writing on the Industrial Revolution, the Great Divergence and the origins of modern growth.
A useful anecdote from Bloch on the dividing line between the contemporaneous and historical—I've heard (and used!) the school-teacher's line too many times without much justification. Related
29 June 2023
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.
Their words
If you haven't heard the argument for passive indexing (or haven't heard it argued well), then A Random Walk Down Wall Street is the book for you.
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ofdollarsanddata.com
9 May 2023
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.
Their words
Mimestream feels like the Apple Mail app I’ve always wished Apple would make. It’s incredibly fast and fluid, it syncs instantly, and it supports all the keyboard shortcuts that you’d expect in a modern app
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thesweetsetup.com
Their words
unlike Apple Mail, which seemingly uses shortcuts that made sense in 1995 and refuses to change.
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thesweetsetup.com
4 March 2023
Software engineer and writer; former CTO of Wave, now at Anthropic. Blogs at benkuhn.net on attention, engineering management and doing hard things well.
I've been reflecting recently on Wave's growth spurt in 2019-21. Most teams grew 2-4x a year for multiple years, and culture and effectiveness stayed remarkably strong compared to what I'd have expected (or heard of elsewhere). Some thoughts on what might have helped: Related
21 September 2022
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.
5 August 2022
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.
@aweissman @whitneymcn i heard this Tedeschi Trucks cover of Derek & The Dominos yesterday on the radio driving from Bridgehampton to East Hampton youtube.com
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3 August 2022
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.
29 July 2022
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.
@whitneymcn @aweissman happy cover friday. here is Valerie June covering Gillian Welch soundcloud.com
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22 July 2022
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.
25 November 2021
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.
Thanksgiving This year we give thanks for something we’ve all heard of, but maybe don’t appreciate as much as we should: electromagnetism. (We’ve previously given thanks for the Standard Model Lagrangian, Hubble’s Law, the Spin-Stat…
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23 November 2021
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.
22 November 2021
Co-founder of Microsoft and of the Gates Foundation. Writes Gates Notes on global health, energy and climate, and on whatever they have been reading.
Their words
When I heard that one of my favorite authors, Walter Isaacson, was working on a book about CRISPR and its inventor, I was eager to read it.
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gatesnotes.com
6 March 2021
Singaporean writer and author of FRIENDLY AMBITIOUS NERD; blogs at visakanv.com about ambition, writing and thinking in public.
Their words
I remember Antifragile blowing my mind several times when I first read it. It didn't exactly have anything dramatically new to say that I hadn't heard before in some way, but it brought together things in a way that I found compelling. It made me rethink and reevaluate a lot of my life and gave me a useful frame for making sense of things with.
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visakanv.com
23 January 2021
Founder and president of the Roots of Progress Institute; writes the history and philosophy of progress, after a career as a software engineering manager and founder.
On changing their mind
When I first heard the stagnation hypothesis, I was skeptical. The arguments weren’t convincing to me.
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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 want to learn the art and science of copywriting, then this is the book for you. An expert copywriter for decades, Caples breaks down in detail what makes a great ad versus a failing one. It's loaded with examples and the kind of insights only a veteran can provide. You do need to provide a little imagination as he focuses on mail in based advertising in magazines, which isn't common today. But really, how different is that from downloading free whitepapers today?
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jasonevanish.com
2 October 2020
American senior staff engineer working on developer and user experience and open source; writes at adamdehaven.com.
Their words
Benchmade Mini Griptilian - There's always a use for a reliable knife. A bonus in going with Benchmade: they will sharpen and clean your knife for free for life; just mail it in.
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adamdehaven.com
2 June 2020
Co-founder and CTO of Oxide Computer Company. Created DTrace at Sun Microsystems and was CTO of Joyent; blogs about systems software, open source and engineering culture.
Their words
I had taken my kids to see DuVernay's superlative Selma years prior, and I had heard about 13th (and I had recalled my wife saying she wanted to watch it), but it was – like many things – "in the queue."
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bcantrill.dtrace.org
24 March 2020
Creator of the Zig programming language; president and lead developer of the Zig Software Foundation.
4 October 2019
Software engineer who writes about low-level and systems programming at nullprogram.com; author of the Elfeed feed reader, the Endlessh SSH tarpit and Enchive.
Their words
I use NeoMutt as my email client. It lets me comfortably compose all my mail in my favorite text editor, Vim.
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usesthis.com
Their words
I use NeoMutt as my email client. It lets me comfortably compose all my mail in my favorite text editor, Vim.
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usesthis.com
19 October 2018
Financial journalist; chief financial correspondent at Axios and host of the Slate Money podcast, previously a blogger at Reuters and author of The Phoenix Economy.
Their words
For desktop I use a lot of native Apple apps, including Mail, Notes, Calculator, Preview (which is powerful and very underrated), even Safari.
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usesthis.com
18 September 2017
British historian, Professor of Global History at the University of Oxford; author of The Silk Roads and The Earth Transformed.
Their words
It's the introductory text for anybody studying the Byzantine Empire and yet no one has ever heard of it.
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fivebooks.com
22 June 2017
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.
Their words
I use a ton of software. Here's a list: Xcode, Pages, Numbers, Keynote, Sublime Text, Corona SDK, Unity, Final Cut Pro, Versions, Perforce, VMWare Fusion, Messages, REAPER, Transmit, Coda, Dropbox, Skype, Dashlane, Slack, Terminal, Assembla, Airmail, Spark Mail, Google Docs, Pixelmator, Pixen, TexturePacker, Particle Designer, Tiled, iTunes + Music + Match, Screenium, Steam, Twitter, Facebook.
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usesthis.com
Their words
I use a ton of software. Here's a list: Xcode, Pages, Numbers, Keynote, Sublime Text, Corona SDK, Unity, Final Cut Pro, Versions, Perforce, VMWare Fusion, Messages, REAPER, Transmit, Coda, Dropbox, Skype, Dashlane, Slack, Terminal, Assembla, Airmail, Spark Mail, Google Docs, Pixelmator, Pixen, TexturePacker, Particle Designer, Tiled, iTunes + Music + Match, Screenium, Steam, Twitter, Facebook.
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usesthis.com
13 April 2017
Distributed-systems safety researcher; runs the Jepsen consistency-testing project and wrote the Riemann monitoring system.
Their words
I use irssi for IRC, Mutt/Geary for mail, Chromium for browsing, and Pidgin for IM.
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usesthis.com
14 April 2015
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.
Their words
I still use Eudora for my e-mail (version 7.1, not the one based on Thunderbird), because I don't want my mail living in the cloud. I'd upgrade to something newer and better, but there isn't anything newer and better.
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usesthis.com
8 July 2013
Danish Mac developer; author of the TextMate text editor and founder of MacroMates.
Nothing matches. Show everything
A korrent is a belief a person has stated in their own words: one
sentence stating the claim, backed by a quote and a source, kept at
korrents.com .
Under a name here, the quoted block is what they actually said.
The korrent beneath it is the claim those words support, in
korrents' wording — tap it to see the record, its source, and who
else holds it.
Nobody here wrote their own korrents. They are compiled from public
statements, and a person can change their mind, which is recorded too.
Got it
About the English under a post
Some people here publish in a language other than English. Where they
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
serif above is exactly what the person published, and it is what to
quote them on. A translation can be wrong in ways that matter,
especially about tone.
Only the post's own words are translated. A quoted post, a linked
article and a belief on korrents.com
are left in their original language.
Got it