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19 September
Co-creator of Django and creator of Datasette; writes daily at simonwillison.net.
datasette-auth-github 1.0 Release: datasette-auth-github 1.0 I run this GitHub login plugin on the agent.datasette.io demo site and I noticed that my authenticated sessions weren't lasting very long. It turned out that the plugin was setting coo…
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California Sea Lion, Brandt's Cormorant , in Pillar Point Harbor, CA, US I only noticed this after I had taken the photo: Morris the Northern Gannet is peeking out from behind the base of the sign. Tags: wildlife
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17 September
Data scientist and machine-learning researcher; chief scientist at bitly, founder of Fast Forward Labs and Hidden Door.
Yesterday I flew LAS->NYC, noticed a white woman at the lounge with a sticker like the "I voted!" stickers but it said "I like ICE". Then she and her husband pushed aside wheelchairs to "preboard", announcing they were in first class Then they were rude to the flight attendants. The worst people. Related
16 September
Writer and consultant on formal methods and software correctness; author of Practical TLA+ and Logic for Programmers.
15 September
Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.
When playing games on niri I noticed some games don't lock your mouse cursor to your monitor. I didn't want to use Gamescope so I stumbled upon a way to do this natively in niri without needing any tools. This post provides a general purpose solution. nickjanetakis.com
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8 September
Writer of the newsletter bookbear express, on psychology, relationships, non-attachment and taste; based in San Francisco.
7 September
CEO of SafeGraph, host of the World of DaaS podcast, and author of the Summation newsletter; previously founded LiveRamp.
the most important skill is to be able to teach yourself something complicated from a youtube video. The other day, I met some parents, and they were super concerned about their 16-year-old daughter. The parents both went to very fancy colleges, and their daughter was not on the track to go to a very fancy college. They were lamenting that and were concerned about that. Then I happened to meet their daughter, and two things I noticed right away: (1) the daughter was a wonderful person, and she just seemed like a genuinely nice and caring young lady. The parents obviously did something right r… Related
3 September
Creator of Homebrew, the macOS package manager, and a Swift developer.
I find it interesting that everyone has noticed that only (and all of the) US AI providers are down but as yet nobody is suggesting this is possibly something more than your everyday Thursday outage. Related
1 September
Technical staff at METR, where she works on threat modelling and risk assessment for loss-of-control risks from advanced AI.
Their words
But the problem is these agents are just naturally pretty sloppy and they're naturally pretty spiky in their capability profiles. And so you wouldn't necessarily even if you noticed a weird error that it made, you wouldn't necessarily jump to the conclusion that it was like because of some sort of malign crazy conspiracy.
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26 August
Programmer; makes Handmade Hero and teaches Performance-Aware Programming, and argues loudly about how software got slow.
Their words
It's it's so massive that there is no way that your game will be organically noticed anymore pretty much period.
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youtube.com
25 August
Designer and technologist; author of The Laws of Simplicity; former president of the Rhode Island School of Design; formerly at the MIT Media Lab.
Treat Yo’ Self: Gen Z’s Hidden Subsidy This rabbit hole started when I noticed this video on YT: So I went into Bank of America Institute’s new report, The Gen Z Reality Check, expecting to learn about Gen Z spending and whether the fellow was right or not.…
America Related
15 August
Technologist and entrepreneur; former CTO of Threadless and chief technology officer of the 2012 Obama re-election campaign.
Sitting on the porch swing and I noticed some friends. Related
13 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.
The War on AI Has Begun The war on artificial intelligence is no longer just online arguments and complaints about data centers. Something has shifted, and law enforcement has noticed. Where did this new anti-technology movement come from, who…
data centers Related
12 August
Machine learning engineer working on recommender systems, personalization and information retrieval. Previously worked on LLMs and LLM infrastructure at Mozilla.ai and on ML and recsys at Duo, Tumblr, Automattic and Comcast; wrote the 'What are embeddings?' text and ran the Normconf conference.
10 August
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… Related
1 August
Co-founder of WordPress and founder of Automattic; blogs at ma.tt.
13 July
Professor of psychology at UCLA, where he studies human memory, attention and cognitive ageing, and author of Better with Age: The Psychology of Successful Aging.
Their words
And so we've done this study where you have to, instead of me telling you where it is, you have to get up and find it. And so now you're engaging with the environment, you're going to go look for it and be like, gosh, it's been there the whole time. have walked by it so many times have never noticed it. And I think that's the difference between seeing something and noticing it.
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29 June
Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.
Shout out to the @Docker Compose team. 🐳 I noticed an inconsistency in a docker compose exec vs run flag with --no-tty vs --no-TTY so I opened a PR this morning to resolve it. A few hours later it was merged: github.com
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28 June
Co-founder of Modem and a founding engineer at Sentry, where he went on to be VP of Engineering. Co-author of Third-party JavaScript, and co-host of the State of Agentic Coding podcast with Armin Ronacher.
Just noticed a vibe-coded project of mine cost $200/month to serve a few dozen users/day 😭 Turns out it was doing 10s of millions of unnecessary Redis polls/day, even when idle - telemetry alone cost $$ a possible clue for why infra providers are growing so much right now Related
18 June
Chief executive of Intel since 2025, founder of the venture firm Walden International and chief executive of Cadence Design Systems for thirteen years.
Their words
One is of course everybody knows power constraint. Some country the power they just don't have that. They get impacted. And then secondly, a lot of people didn't realize the helium impact can be also very significant for semiconductor. And then the thirdly, is everybody know right now memory is a bigger shortage.
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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
Overall, I'm loving the M4 Max so far, and I've noticed that it does handle certain tasks such as running Pest PHP tests about twice as fast sometimes as the M1 Pro did, which is nice.
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randallwilk.dev
12 May
Freelance web developer and instructor. Author of the Dive Into Docker course; writes tutorials on Docker, deployment and development environments at nickjanetakis.com.
Over the last 3 months I lost 300 followers (about 10%). I wonder if these were bots. I feel like within the last year Twitter engagement has gone from quite good to almost nothing. It sometimes feels like I'm shadow banned. Has anyone noticed the same? Related
26 April
Co-founder and CEO of Snap Inc., the company behind Snapchat, which he started in 2011 while studying product design at Stanford.
Their words
one of the things that I noticed about computers and I think today with mobile phones, uh is that in many ways they isolate us from one another, right? They actually take us out of our social interactions.
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youtube.com
23 April
Writer on learning and skill acquisition; author of Ultralearning and Get Better at Anything, known for the MIT Challenge and the Year Without English.
New Article: How to Motivate Yourself to Exercise Regularly https://t.co/vYVSte9v6Y I’ve noticed that motivation to exercise comes and goes, but consistency depends on something else entirely. In this article, I try to unpack what that is and how to work with it. Related
7 April
Programmer; wrote Extreme Programming Explained and Test-Driven Development, signed the Agile Manifesto, and writes Tidy First?.
Their words
And one of the things I noticed is for 25 years we've kind of had the answers. Somebody comes to us and says we have too many bugs or like, all right, well, here's how you write tests. Oh, I can't write tests. Well, here's how you design so you can write tests. It's just kind of press play uh on the recorder. And the thing that's changed is at this moment nobody knows the answers to anything.
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31 March
Writes jvns.ca, turning "hard and scary" topics — networking, debugging, Linux internals — into plain explanations and hand-drawn comics. Publishes Wizard Zines, illustrated programming zines. Software developer based in Montreal.
just noticed it's How DNS Works' 4th birthday soon! wizardzines.com/zines/dns/ it's still one of my favourite zines, and it comes with a free ★★ playground ★★ at messwithdns.net where you can create DNS records and see what happens! Related
3 November 2025
General partner at Benchmark Capital for over two decades; was the lead analyst on Amazon's IPO before moving into venture capital. Writes Above the Crowd on tech and marketplace economics.
I Wrote a Book!!! CLICK HERE TO PRE-ORDER Almost a decade ago I had an inspiration. Leveraging a habit of reading biographies, I noticed a pattern of success amongst three unrelated individuals – a restauranteur, a basketball coach, and…
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22 October 2025
Free software developer; maintainer of sway, wlroots, aerc and scdoc, and founder of the SourceHut (sr.ht) software forge.
What's up with FUTO? Some time ago, I noticed some new organization called FUTO popping up here and there. I’m always interested in seeing new organizations that fund open source popping up, and seeing as they claim several notable projects…
open source Related
1 July 2025
Author of The Simple Path to Wealth and of the jlcollinsnh.com stock series on index-fund investing.
12 May 2025
Co-founder of Sundial; former vice president of product design at Facebook; author of The Making of a Manager; writes The Looking Glass.
OpenAI
Their words
The technology powering ChatGPT had already launched prior to November 30th, 2022. It was just wrapped in a different interface. Very few people paid attention. Why did ChatGPT explode in popularity? Because of its obvious chat interface, which everyone intuitively already knew how to use it.
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lg.substack.com
14 April 2025
Co-founder and chief science officer of Hugging Face; writes about open models and where he thinks the field is wrong.
If you've followed the progress of robotics in the past 18 months, you've likely noticed how robotics is increasingly becoming the next frontier that AI will unlock. --- Related
1 April 2025
Software engineer and writer; former CTO of Wave, now at Anthropic. Blogs at benkuhn.net on attention, engineering management and doing hard things well.
5 March 2025
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://bughunters.google.com/blog/5424842357473280/zen-and-the-art-of-microcode-hacking Shot: "This opens up the potential for hardware attacks (e.g., reading the key from ROM with a scanning electron microscope), side-channel attacks (e.g., using Correlation Power Analysis to leak the key during validation), or other [...] attacks" Chaser: "We noticed that the key from an old Zen 1 CPU was the example key of the NIST SP 800-38B publication and was reused until at least Zen 4 CPUs." Google Related
1 March 2025
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.
@kees Actually you're probably the right person to ask: For unrelated reasons, I've noticed that -fzero-call-used-regs triggers before indirect tail calls, but *not* computed gotos, despite both compiling into similar indirect `jmp`s. Should those be made consistent? Do we worry about indirect `jmp`s being useful ROP gadgets? It seems clear they *could* be, but maybe in practice they're not actually helpful? Example: godbolt.org
Related
22 April 2024
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.
Their words
But I think your intuition is right that it would’ve been easy for there to be lots of civilizations then we would’ve noticed them already and we haven’t. Absolutely the simplest explanation for why we haven’t is that they’re not there.
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youtube.com
11 March 2024
Research scientist at Anthropic; co-creator of the Variational Autoencoder and, with Jimmy Ba, of the Adam optimizer, two of the most widely used tools in deep learning.
Happy to see that our work on diffusion model objectives (https://t.co/0qJRyangWX) is starting to get noticed, with e.g. Stable Diffusion 3 (https://t.co/vHxqwLH0eY) building on our result that the flow matching objective can be simply understood as a special case of diffusion. Related
23 April 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.
New post! "Some mistakes I made as a new manager": https://t.co/bpwSbDWJqY (Specifically, ones I've also noticed are an attractor for other folks.) If you're a new manager, hopefully it will help you level up faster to level 2: making new, innovative types of mistake :) Related
28 August 2022
American software engineer working across web, mobile and TV platforms; writes at sean.is.
Just when I thought it was impossible to accumulate even more hate for them, Philadelphia Parking Authority continues to impress. Went to dispute a ticket and noticed the PPA website is scrolljacking 🙄 Related
29 May 2022
Psychologist and science writer; wrote Science Fictions on how research goes wrong, and writes the newsletter of the same name.
19 April 2022
Swedish software developer writing about tooling, working from home and running a software business at seastone.io.
I’ve found that whenever I’m bumping heads with a tricky problem, doing something else completely different, is usually what lets me solve it. Sometimes you need “crunch time” but often it’s more productive to take some off time instead. Have you noticed anything similar? Related
25 October 2021
Web developer; former head of engineering at Flickr, author of Building Scalable Web Sites, and co-founder and CTO of Slack.
@goldman so glad that someone else noticed they switched from meters to feet in the lesson book. I’m hoping that was a goof and not an intentional commentary about still having the imperial systems after 10,000 years Related
3 September 2021
Founded CD Baby in 1998 and sold it in 2008, giving the proceeds to a charitable trust for music education. Since then a writer and speaker: five books and 550+ articles, published first at sive.rs, which they hand-code and keep free of advertising.
Their words
Everyone should read this book of little essays about listening. It teaches your ears to pay more attention. It calls your attention to sounds you hadn’t noticed. It’s beautifully written, and makes your life better. I read it twice, 24 years ago, and reading it again this week, it was even better than I remembered.
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sive.rs
19 June 2021
Co-founded Neuralink and founded Science Corp, which is building a retinal implant; writes about neural interfaces and biology.
Cosmic games When I started taking the idea of AGI seriously, I noticed a shift in how I thought about the world: rather than seeing people or institutions, I just saw agents. Napoleon, Washington and Alexander, for example, are som…
AGI America Related
30 January 2021
Co-founded Neuralink and founded Science Corp, which is building a retinal implant; writes about neural interfaces and biology.
Do words mean anything? The principle of absolute freedom of speech has embedded in it a basic premise that words do not inherently mean anything. This wasn’t obvious to me and felt surprising, in the this-must-be-wrong way, when I noticed it.…
Related
11 April 2019
Designer and co-founder of Lux, makers of Halide, Spectre and Kino; formerly a designer at Apple.
31 May 2016
Founding member of OpenAI and former director of AI at Tesla; creator of nanoGPT and the term "vibe coding".
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