My job is about the most fun thing I do, but I have a broad set of interests, going places, reading things, doing things.

Bitcoin is a technological tour de force

Part of the magic of economic growth is how you educate people, and the leading economies have to stay in front of that. From an economic point of view, it affects competitiveness and creates jobs. Or from a social justice point of view, you can take someone in the bottom tier of income and let him compete to be a doctor or lawyer. The education system is the only reason the dream of equal opportunity has a chance of being delivered - and we're not running a good education system.

The world at large is less inequitable today than at any time in history. Number of people in abject poverty, as a percentage, is at all-time low.

Any machine that can run a browser is not thin. The browser has to be the thickest application man has ever invented, and it's getting thicker faster than anything ever development by man.

I'm quite worried about the fiscal imbalances that we've got and what that might mean in terms of financial crisis ahead.

Bridge is one of the last games in which the computer is not better.