Move fast and break things. Unless you are breaking stuff, you are not moving fast enough.

My goal was never to just create a company. A lot of people misinterpret that, as if I don't care about revenue or profit or any of those things. But what not being just a company means to me is not being just that - building something that actually makes a really big change in the world.

Virtual Reality is really a new communication platform. By feeling truly present, you can share unbounded spaces and experiences with the people in your life. Imagine sharing not just moments with your friends online, but entire experiences and adventures.

If you don't risk anything you risk everything

The biggest risk is not taking any risk.

All of my friends who have younger siblings who are going to college or high school - my number one piece of advice is: You should learn how to program.

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.