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Simon Willison's Weblog Supports Webmention

The most popular blogs of Hacker News in 2025

The most popular blogs of Hacker News in 2025 Michael Lynch maintains HN Popularity Contest, a site that tracks personal blogs on Hacker News and scores them based on how well they perform on that platform. The engine behind the project is the domain-meta.csv CSV on GiHub, a...

kottke.org Valid
Jason Kottke

Things I Learned While Looking Up Other Things! “Thermochauvinism is the (often...

Things I Learned While Looking Up Other Things! “Thermochauvinism is the (often unconscious) assumption that it’s reasonable to live in cold places but unreasonable to live in hot ones.”

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Jason Kottke

It Will Continue to Grow Except at That Point

“What if you held a tree long enough for it to grow around your hand?” For a piece called It Will Continue to Grow Except at That Point, Giuseppe Penone fitted a cast of his hand to a growing tree and the tree grew around it for more than a decade.

Penone has been featured on KDO once before — for his sculptures of trees where he carves away tens or even hundreds of years from massive trees to reveal their inner saplings.

Tags: art · Giuseppe Penone · trees

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Jason Kottke

Stewart Cheifet died last weekend at age 87. Those of a certain...

Stewart Cheifet died last weekend at age 87. Those of a certain age and nerdiness will remember Cheifet as the host of Computer Chronicles, a public television show about personal computing that aired in the 80s and 90s.

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Jason Kottke

“America is no longer a democracy. That doesn’t mean authoritarianism has won....

“America is no longer a democracy. That doesn’t mean authoritarianism has won. But merely restoring the pre-Trump status quo won’t work. The country needs a democratic transformation.”

Radiolab Updates instantly via WebSub
• WNYC Studios

Moon Trees

35:06
In 1971, a red-headed, tree-loving astronaut named Stu ‘Smokey’ Roosa was asked to take something to the moon with him. Of all things, he chose to take a canister of 500 tree seeds. After orbiting the moon 34 times, the seeds made it back to Earth. NASA decided to plant the ...

kottke.org Valid
Jason Kottke

NeatoCal is a tiny JavaScript app that outputs a printable calendar with...

NeatoCal is a tiny JavaScript app that outputs a printable calendar with a full year on a single page. I love the view where all the weekends line up.

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Dan’s Polaroids

02.01.2026

From the driver's seat, photographing the adjacent red car,
      which has snow on the top and the window.
It snowed today. And I was driving again, as so often these past days.

Simon Willison's Weblog Supports Webmention

December 2025 sponsors-only newsletter

I sent the December edition of my sponsors-only monthly newsletter. If you are a sponsor (or if you start a sponsorship now) you can access a copy here. In the newsletter this month:

  • An in-depth review of LLMs in 2025
  • My coding agent projects in December
  • New models for December 2025
  • Skills are an open standard now
  • Claude's "Soul Document"
  • Tools I'm using at the moment

Here's a copy of the November newsletter as a preview of what you'll get. Pay $10/month to stay a month ahead of the free copy!

Tags: newsletter

Simon Willison's Weblog Supports Webmention

Quoting Ben Werdmuller

[Claude Code] has the potential to transform all of tech. I also think we’re going to see a real split in the tech industry (and everywhere code is written) between people who are outcome-driven and are excited to get to the part where they can test their work with users faster, and people who are process-driven and get their meaning from the engineering itself and are upset about having that taken away.

Ben Werdmuller

Tags: coding-agents, ai-assisted-programming, claude-code, generative-ai, ai, llms

Accidental Tech Podcast

672: Wi Hyphen Fi

01:59:57
Pre-show: Comply TrueGrip MAX for AirPods Pro 3 Pepperidge Farm Remembers Follow-up: Contacts Contact lists are a thing (via Dayton Lowell) Some non-obvious complications (via Paul) Face ID & Touch ID Older folks really do struggle with Touch ID (via Harriso...

Simon Willison's Weblog Supports Webmention

Introducing gisthost.github.io

I am a huge fan of gistpreview.github.io, the site by Leon Huang that lets you append ?GIST_id to see a browser-rendered version of an HTML page that you have saved to a Gist. The last commit was ten years and I needed a couple of small changes so I've forked it and deployed...

Dan’s Polaroids

01.01.2026

A group of five friends, photographed with flash.
A happy new year!

Simon Willison's Weblog Supports Webmention

2025: The year in LLMs

This is the third in my annual series reviewing everything that happened in the LLM space over the past 12 months. For previous years see Stuff we figured out about AI in 2023 and Things we learned about LLMs in 2024. It’s been a year filled with a lot of different trends. ...

xkcd.com Valid

Anyone Else Here

Anyone else watching this Youtube video in 1954? If so, my last trip definitely messed with the timeline.

Daring Fireball Valid
John Gruber

The Talk Show: ‘2025 Year in Review’

daringfireball.net/thetalkshow/2025/12/31/ep-438

A look back at Apple’s 2025, with special guest Rene Ritchie.

Sponsored by:

  • Factor: Healthy eating, made easy. Get 50% off your first box, plus free breakfast for 1 year, with code talkshow50off.
  • Squarespace: Save 10% off your first purchase of a website or domain using code talkshow.

Link: daringfireball.net/thetalkshow/2025/12/31/ep-438

Lex Fridman Podcast Updates instantly via WebSub

#488 – Infinity, Paradoxes that Broke Mathematics, Gödel Incompleteness & the Multiverse – Joel David Hamkins

Joel David Hamkins is a mathematician and philosopher specializing in set theory, the foundations of mathematics, and the nature of infinity, and he’s the #1 highest-rated user on MathOverflow. He is also the author of several books, including Proof and the Art of Mathematic...

kottke.org Valid
Jason Kottke

Kottke Wrapped 2025

Spotify really started something, didn’t they? Everyone has a “Wrapped” this year; I even got an email one from the cruise line on which I took a trip this summer. Like, “Congratulations! You went on {1} cruise for {7} days!” — and then nothing else. Two stats. So I though...

Daring Fireball Valid
John Gruber

‘The Strange Death of Make America Great Again’

nytimes.com/2025/12/24/opinion/turning-points-americafest-maga.html?unlocked_article_code=1.A1A.viCa.z9zxp3AvMBxV

Matthew Walther, in an opinion piece last week for The New York Times (gift link): MAGA’s internal culture has always rewarded theatrical confrontation over achievement. Boorishness commands attention, and boors mistake attention for leverage. Pseudo-martyrdom becomes an...

Simon Willison's Weblog Supports Webmention

Codex cloud is now called Codex web

Codex cloud is now called Codex web It looks like OpenAI's Codex cloud (the cloud version of their Codex coding agent) was quietly rebranded to Codex web at some point in the last few days. Here's a screenshot of the Internet Archive copy from 18th December (the capture on the 28th maintains that Codex cloud title but did not fully load CSS for me): And here's that same page today with the updated product name: Anthropic's equivalent product has the incredibly clumsy name Claude Code on the web, which I shorten to "Claude Code for web" but even then bugs me because I mostly interact with it via Anthropic's native mobile app. I was hoping to see Claude Code for web rebrand to Claude Code Cloud - I did not expect OpenAI to rebrand in the opposite direction! Tags: ai, openai, generative-ai, llms, anthropic, coding-agents, async-coding-agents