It would be incredibly presumptuous and self-serving of me to believe that Facebook was the end of history. The only way it could possibly be the end of history is if it becomes some sort of artificial super intelligence that takes over the world.

At every point I am besieged by people who would like me to conform to some social norm of whatever sort of social group they expect me to be a part of. I never have any identification with these social groups.

Look: There's good creepy and there's bad creepy. Today's creepy is tomorrow's necessity.

I focus on things that are the highest value and do them perfectly.

Your biggest challenge as an entrepreneur is not concealing your idea from others or keeping your idea a secret, it is actually convincing people that you're not crazy and that you can pull this off.

Part of the challenge of being an entrepreneur, if you're going for a really huge opportunity, is trying to find problems that aren't quite on the radar yet and try to solve those

At the end of the day, money is just a proxy for votes. That is what makes politics so vulnerable to social media.