Spotify used to be so dev friendly. not anymore. They still have a lot of fun APIs to play with, but you can't meaningfully launch something publicly now unless you have 250k+ MAUs! developer.spotify.com/documentatio...

love this example for permutation tests in Noreen's 1989 book

Interesting choice from Google maps satellite view: they've edited out all the planes at gates at Heathrow and Gatwick. You can tell as every spot is empty! And the jet bridges are out connected to nothing, and there are artifacts. Strangely not for Schiphol though? Was this someone's side project?

This thing's gotta be loud to ride if I can hear it when it's 20k feet up