What Makes a Good Trainer? Sharing the Wealth

"The idea that lots of people, potentially everybody, can be involved in the process of innovation is utterly transforming. Two things make this possible, one obvious and one not. The obvious one is—say it with me—the Internet. The other one, the surprising one, is a curious phenomenon you could call intellectual altruism. It turns out that given the opportunity, people will donate their time and brainpower to make the world better."