I don't hate anybody. The Winklevi aren't suing me for intellectual property theft. They're suing me because for the first time in their lives, the world didn't work the way it was supposed to for them.

People often say that it is easier to predict the way things are going to be 10 to 20 years in the future than to predict how it is going to be 3 years from now.

I would only hire someone to work directly for me if I was willing to work for that person.

Whenever I go to a new city, in order to help get on the right time zone and actually get a chance to see that city, I like running.

On engagement, we're already seeing that mobile users are more likely to be daily active users than desktop users. They're more likely to use Facebook six or seven days of the week.

The basis of our partnership strategy and our partnership approach: We build the social technology. They provide the music.

We've changed our internal motto from "Move fast and break things" to "Move fast with stable infrastructure."