I don't like to talk about myself. I like to talk about stuff that's happening, stuff that's going to happen, and the people who are going to make it happen.

Ideas that most people derided as ridiculous have produced the best outcomes. Don't do the obvious thing.

I think 'crazy' is a compliment. I think you make money with people who are crazy.

Foursquare's adoption of a game dynamic when it launched is a particularly clever implementation of a social hook.

If you have an idea that you can't get out of your head, do a startup. Otherwise join a startup.

I don't like to talk about myself. I like to talk about stuff that's happening, stuff that's going to happen, and the people who are going to make it happen.

Investing in management means building communication systems, business processes, feedback, and routines that let you scale the business and team as efficiently as possible.