Mental modelThe app you didn't write · Day 20
The circle the other twenty days run on. Break the first arrow and none of the rest can happen.
The circle the other twenty days run on. Break the first arrow and none of the rest can happen.
Share this diagram
Diagrams share as a link — it unfurls with a preview card.
This is one mental model — a course's idea in a single picture. It comes from The app you didn't write, a short daily course on Noesa. Anyone can use AI; few can tell when it's wrong.