Jeroen Sangers

📸 Etna

Anyone can now have a tool built in five minutes by asking a model, without writing a line of code.

Your brain does not multitask, it switches, and every switch leaves a residue of attention behind that eats into your cognitive capacity.

This site looks different today, and that was not the plan when I sat down with my coffee.

When you post something, the platform first shows it to a small test audience of people who do not follow you, and it watches closely: do they swipe past, how long do they stay, do they react at all.

Nicholas Bate (@HG21C) explains how to brief your AI.

A process is a chain of steps, and it is tempting to improve the step that is easiest to see, or the one that seems most obvious.

We usually read self-control as a character trait: you have it or you don’t.

Ask a language model something about your own life and it has to guess.

Time management training is popular.

The top use cases for AI in 2026 are: Therapy and companionship Troubleshooting Fun and nonsense Fan fiction and storytelling Technical use of software Autonomous agentic operations Relationship advice Work buddy Astrology and tarot readings General advice

A to-do says what.

More from the same diary study.

Your brain filters everything through what you already believe.

A diary study followed 29 research and development engineers through their working days.

A services business wants to double its revenue, so it hires an agency to run paid ads.

Fear of loss rarely comes from the loss itself.

Something happens the moment someone shares their screen to walk through a presentation.

When you see a text a second or third time you recognise it, and that feeling of recognition is easily mistaken for actual understanding.

You’re on holiday and something breaks at work.

Does your AI work for you or is it the other way around?

Your body has a natural chronotype: a morning type, an evening type, or something in between, driven by the circadian rhythms of cortisol and testosterone.

AI is a Swiss Army knife.

Finished reading: Offerdjuret by Henrik Fexeus 📚 First non-fiction book in a long time.

The ever-thoughtful @HG21C gives us the dictionary: Beware the words and phrases that try to disguise the non-effectiveness of an individual or team.