The most important thing is to keep your team as small as possible.

I generally think if you do good things for people in the world, that comes back and you benefit from it over time.

Facebook is really about communicating and telling stories... We think that people can really help spread awareness of organ donation and that they want to participate in this to their friends. And that can be a big part of helping solve the crisis that's out there.

Betting completely on HTML5 is one of the, if not THE biggest strategic mistake we've made.

I think there's confusion around what the point of social networks is. A lot of different companies characterized as social networks have different goals - some serve the function of business networking, some are media portals. What we're trying to do is just make it really efficient for people to communicate, get information and share information.

The thing that we are trying to do at Facebook is just help people connect and communicate more efficiently.

The web is at a really important turning point right now. Up until recently, the default on the web has been that most things aren’t social and most things don’t use your real identity. We’re building toward a web where the default is social.