Latest: I'm handing off the CodeCombat CEO role in order to work 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 coding 120 hours in a week, getting into Y Combinator on stage, and unnecessary things.
People are surprisingly interested in this. Here's the list. Helps me not think about my things.
Learn what affects your cognitive performance with Quantified Mind (butter?). Name your baby with Bantling. Do street art.