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.

There are a few other things that I built when I was at Harvard that were kind of smaller versions of Facebook.

The only meat I eat is from animals I've killed myself.

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.

The companies that work are the ones that people really care about and have a vision for the world so do something you like.

Books allow you to fully explore a topic and immerse yourself in a deeper way than most media today. I'm looking forward to shifting more of my media diet towards reading books.

We want Facebook to be one of the best places people can go to learn how to build stuff.