His priority did not seem to be to teach them what he knew but rather to impress upon them that nothing not even... knowledge was foolproof.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
I think there are four or five interesting pockets where a lot of cool technology companies are getting started. Chicago is one of them. New York is certainly another. Silicon Valley really dominates. And you're seeing some stuff out of Boston and Seattle and down South.