The market is ridiculously overcrowded with early stage investors. This results in a talent drain, where the best talent gets diffused and work for their own startups.

I lived on couches for something like six months. I had no home. I was totally broke. I would stay at a friend's house for two weeks, then move because I didn't want to become this permanent mooch.

You just keep pushing yourself harder and harder to achieve more and more - I don't think it's ever quite as glamorous as it appears on the outside.

You want people using your product because it's a part of your life, then they can't stop using it.

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.

One of the difficulties in living the lifestyle I lead is that it is hard to get my friends in one place.

I think Facebook's biggest problem is the glut of information that Facebook's power users are overwhelmed with.