Google, I think, in some ways, is more competitive and certainly is trying to build their own little version of Facebook.

I think that more flow of information, the ability to stay connected to more people makes people more effective as people. And I mean, that's true socially. It makes you have more fun, right. It feels better to be more connected to all these people. You have a richer life.

If you recognize that self-driving cars are going to prevent car accidents, AI will be responsible for reducing one of the leading causes of death in the world.

The trick isn't adding stuff, it's taking away.

Virtual Reality is going to be an important technology. I am pretty confident about this.

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

At Facebook, we build tools to help people connect with the people they want and share what they want, and by doing this we are extending people's capacity to build and maintain relationships.