Stuff like photos and events and groups - we've built pretty basic versions of those apps to start but they ended up being so much more used because of their social integrations.

A lot of the time the experts, the people who are supposed to be able to tell you what to do, will tell you that you can't do something even when you know you can. And a lot of the time it's your friends ... who tell you you can do it.

People wait until late in their career to give back. But why wait when there is so much to be done?

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

If you're always under the pressure of real identity, I think that is somewhat of a burden.

More than four million businesses have Pages on Facebook that they use to have a dialogue with their customers.

My number one piece of advice is: you should learn how to program.