1. The Calculus of Interfaces (calculus-of-interfaces.vercel.app)
  2. iPhone Duo goes on sale today, and I wanted to know which of the apps in App Store would fill the inner screen and which would show black bars. So I built Fits Duo. Currently it lists 1,088 apps: 219 fit, 154 partly…

  3. Tea In, Tea Out (diamondgeezer.blogspot.com)
  4. Most of his huge mansion goes unused aka wasted. It would be more efficient if it was spread amongst multiple people.