Latest: I've handed off the CodeCombat CEO role and joined Gray Swan AI, working on the most important problem.
Learn to code with CodeCombat: a coding game that teaches computer science. 20M learners and counting. It's open source!
Learn Chinese or Japanese by writing characters, with stroke-level handwriting recognition and spaced repetition.
Check out my book about getting yourself to want to do everything you always wanted to want to do.
I blog about things like jailbreaking AIs, coding 120 hours in a week, getting into Y Combinator on stage, and unnecessary things.
People were surprisingly interested in this. Here's the list. (With 3 kids, I don't count any more.)
Learn what affects your cognitive performance with Quantified Mind (butter?). Name your baby with Bantling. Do street art.