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Simon Willison's Weblog Supports Webmention
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My current policy on AI writing for my blog

Because I write about LLMs (and maybe because of my em dash text replacement code) a lot of people assume that the writing on my blog is partially or fully created by those LLMs.

My current policy on this is that if text expresses opinions or has "I" pronouns attached to it then it's written by me. I don't let LLMs speak for me in this way.

I'll let an LLM update code documentation or even write a README for my project but I'll edit that to ensure it doesn't express opinions or say things like "This is designed to help make code easier to maintain" - because that's an expression of a rationale that the LLM just made up.

I use LLMs to proofread text I publish on my blog. I just shared my current prompt for that here.

Tags: ai-ethics, writing, generative-ai, blogging, ai, llms

Daring Fireball Valid
Text • John Gruber

Sentry

sentry.io/resources/ios-workshop-jan-2026/?utm_source=daringfireball&utm_medium=paid-display&utm_campaign=general-fy27q1-evergreen&utm_content=static-ad-mobilerss-trysentry

My thanks to Sentry for sponsoring last week at DF. Sentry is running a hands-on workshop: “Crash Reporting, Tracing, and Logs for iOS in Sentry”. You can watch it on demand. You’ll learn how to connect the dots between slowdowns, crashes, and the user experience in your iOS app. It’ll show you how to:

  • Set up Sentry to surface high-priority mobile issues without alert fatigue.
  • Use Logs and Breadcrumbs to reconstruct what happened with a crash.
  • Find what’s behind a performance bottleneck using Tracing.
  • Monitor and reduce the size of your iOS app using Size Analysis.

I know so many developers using Sentry. It’s a terrific product. If you’re a developer and haven’t checked them out, you should.

Link: sentry.io/resources/ios-workshop-jan-2026/?utm_source…

Daring Fireball Valid
Text • John Gruber

The Talk Show: ‘Bad Dates’

daringfireball.net/thetalkshow/2026/02/28/ep-442

Jason Snell returns to the show to discuss the 2025 Six Colors Apple Report Card, MacOS 26 Tahoe, Apple Creator Studio, along with what we expect/hope for in next week’s Apple product announcements.

Sponsored by:

  • Notion: The AI workspace where teams and AI agents get more done together.
  • Squarespace: Save 10% off your first purchase of a website or domain using code talkshow.
  • Sentry: A real-time error monitoring and tracing platform. Use code TALKSHOW for $80 in free credits.

Link: daringfireball.net/thetalkshow/2026/02/28/ep-442

Simon Willison's Weblog Supports Webmention
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Quoting claude.com/import-memory

I'm moving to another service and need to export my data. List every memory you have stored about me, as well as any context you've learned about me from past conversations. Output everything in a single code block so I can easily copy it. Format each entry as: [date saved, ...

Lex Fridman Podcast Updates instantly via WebSub Valid
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#492 – Rick Beato: Greatest Guitarists of All Time, History & Future of Music

Rick Beato is a music educator, interviewer, producer, songwriter, and a true multi-instrument musician, playing guitar, bass, cello & piano. His incredible YouTube channel celebrates great musicians & musical ideas, and helps millions of people fall in love with gre...

Simon Willison's Weblog Supports Webmention
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Interactive explanations

Agentic Engineering Patterns > When we lose track of how code written by our agents works we take on cognitive debt. For a lot of things this doesn't matter: if the code fetches some data from a database and outputs it as JSON the implementation details are likely sim...

Daring Fireball Valid
Text • John Gruber

Trump’s Enormous Gamble on Regime Change in Iran

theatlantic.com/ideas/2026/02/trumps-iran-regime-change-attack-gamble/686190/?gift=aQyUJR7AIw1mJWdQ6Ed6yOWB4bfod1kQqCyz2RXbHaY

Tom Nichols, writing for The Atlantic:

When the 2003 war with Iraq ended, U.S. Ambassador Barbara Bodine said that when American diplomats embarked on reconstruction, they ruefully joked that “there were 500 ways to do it wrong and two or three ways to do it right. And what we didn’t understand is that we were going to go through all 500.”

Link: theatlantic.com/ideas/2026/02/trumps-iran-regime-change…

Dan’s Polaroids
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28.02.2026

An iPad on a kitchen counter showing a video of president
      Trump's speach anouncing the war on Iran.
Fuck this guy!

Daniel Pietzsch Verified Updates instantly via WebSub Supports Webmention Valid
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🎬 Weapons

letterboxd.com/danielpietzsch/film/weapons-2025/

Movie poster for “Weapons”.

Love a good overlapping episodes film. Really well done here. It's scary, evil, creepy, suspenseful and manages to keep you hooked and waiting for more the entire time. I'm not quite sure yet how I liked some of the humorous and excessively gory parts; I'm not sure, if a more toned down approach would have served the atmosphere a little better. But overall, two hours very well spent!

👍 Recommended!

Dan’s Polaroids
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27.02.2026

The head of a white unicorn with a golden horn. Blue-hour
      windows in the background.
Kindermuseumsnacht

Simon Willison's Weblog Supports Webmention
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Please, please, please stop using passkeys for encrypting user data

Please, please, please stop using passkeys for encrypting user data

Because users lose their passkeys all the time, and may not understand that their data has been irreversibly encrypted using them and can no longer be recovered.

Tim Cappalli:

To the wider identity industry: please stop promoting and using passkeys to encrypt user data. I’m begging you. Let them be great, phishing-resistant authentication credentials.

Via lobste.rs

Tags: security, usability, passkeys

xkcd.com Valid
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Dental Formulas

I mean, half of these are undefined. And your multiplication dots are too low; they look like decimal points.

kottke.org Valid
Text • Jason Kottke

“For months, callers to the Washington state...

“For months, callers to the Washington state Department of Licensing who have requested automated service in Spanish have instead heard an AI voice speaking English in a strong Spanish accent.”

Simon Willison's Weblog Supports Webmention
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An AI agent coding skeptic tries AI agent coding, in excessive detail

An AI agent coding skeptic tries AI agent coding, in excessive detail Another in the genre of "OK, coding agents got good in November" posts, this one is by Max Woolf and is very much worth your time. He describes a sequence of coding agent projects, each more ambitious than...

kottke.org Valid
Text • Jason Kottke

A 2-hour mix of music compiled by Thom Yorke that plays...

A 2-hour mix of music compiled by Thom Yorke that plays before Radiohead’s European shows.

Daring Fireball Valid
Text • John Gruber

West Virginia’s Anti-Apple CSAM Lawsuit Would Help Child Predators Walk Free

techdirt.com/2026/02/25/west-virginias-anti-apple-csam-lawsuit-would-help-child-predators-walk-free/

Mike Masnick, writing for Techdirt:

Read that again. If West Virginia wins — if an actual court orders Apple to start scanning iCloud for CSAM — then every image flagged by those mandated scans becomes evidence obtained through a warrantless government search conducted without probable cause. The Fourth Amendment’s exclusionary rule means defense attorneys get to walk into court and demand that evidence be thrown out. And they’ll win that motion. It’s not even a particularly hard case to make.

Link: techdirt.com/2026/02/25/west-virginias-anti-apple-csam…

kottke.org Valid
Text • Jason Kottke

The Candy Factory

Ann Ballentine bought an old candy factory building in Brooklyn in 1979. She filled it with working artists and became something of a fairy godmother to them all.

It entails someone who’s not as money driven, because you’re not gouging people for huge rents, and it requires being determined to do that over a long stretch of time.

This is a lovely little short film.

Tags: Ann Ballentine · art · NYC · real estate · video

Daring Fireball Valid
Text • John Gruber

How to Block the ‘Upgrade to Tahoe’ Alerts and System Settings Indicator

robservatory.com/block-the-upgrade-to-tahoe-alerts-and-system-settings-indicator/

Rob Griffiths, writing at The Robservatory: So I have macOS Tahoe on my laptop, but I’m keeping my desktop Mac on macOS Sequoia for now. Which means I have the joy of seeing things like this wonderful notification on a regular basis. Or I did, until I found a way to bloc...

Simon Willison's Weblog Supports Webmention
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Free Claude Max for (large project) open source maintainers

Free Claude Max for (large project) open source maintainers

Anthropic are now offering their $200/month Claude Max 20x plan for free to open source maintainers... for six months... and you have to meet the following criteria:
  • Maintainers: You're a primary maintainer or core team member of a public repo with 5,000+ GitHub stars or 1M+ monthly NPM downloads. You've made commits, releases, or PR reviews within the last 3 months.
  • Don't quite fit the criteria If you maintain something the ecosystem quietly depends on, apply anyway and tell us about it.

Also in the small print: "Applications are reviewed on a rolling basis. We accept up to 10,000 contributors".

Via Hacker News

Tags: open-source, ai, generative-ai, llms, anthropic, claude

Simon Willison's Weblog Supports Webmention
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Unicode Explorer using binary search over fetch() HTTP range requests

Unicode Explorer using binary search over fetch() HTTP range requests Here's a little prototype I built this morning from my phone as an experiment in HTTP range requests, and a general example of using LLMs to satisfy curiosity. I've been collecting HTTP range tricks for a ...