Working on tools that expand what people can think and do.
Past: led R&D at Khan Academy, helped build iOS at Apple.
http://andymatuschak.org
[ my public key: https://keybase.io/andymatuschak; my proof: https://keybase.io/andymatuschak/sigs/cXR2O704tD-HTFzScbqwt5b81_3bhHaU-xHGAHmHkfc ]