Justin Rosenstein

I do not doubt that services like social games and coupons bring delight to people's lives, and I mean no disrespect to the hard work that has made them possible. But in the face of threats to humanity's future on the one hand and the extraordinary potential of mankind on the other, at some point we must ask: are we capable of more?

The thing about dancing - what it taught me all those years - is it gives you an amazing sense of discipline in forcing yourself to do things that you know are good for you but you don't really want to do.