Writing this from Orania Hotel in Berlin, sipping a negroni and doing a little people-watching as people ride, walk, scoot, and drive past the floor to ceiling windows. It's a nice hotel, fancier than I could justify booking for just myself - perhaps for when Savannah and I visit together next time. I'm the last non-Berliner here after a Glif offsite; finishing off a good 4 days together.

Agents can write code faster than we can absorb it. Here's why it still matters for humans to understand what they build — and some techniques for doing that efficiently: explainer docs, quizzes, micro-worlds, and shared spaces.

The maths behind the swirly background on this site

twitter.com/oncapybaras

In what follows, “bullshit” is used very much in the sense that Princeton philosopher Harry Frankfurt describes in his seminal essay, On Bullshit (1986; 2005).

Where code meets culture. New York, June 17–18, 2026.

A paper-like monitor for reading, writing, and focused work