'Instagram' can engage generations of people that may not be on Facebook yet. I think that's true with 'WhatsApp,' and I think that will be true with things like Oculus.

I can't imagine that companies are uninteresting if they don't have a billion users. But I do believe, to have mass scale, you have to be in the many-hundreds-of-millions-of-users range, and there are not that many companies that get there.

I'm always in awe of people who are artists in their fields - people who understand that simply by taking ideas and translating them into reality, they've created value in the world.

A platform is the base from which something big happens. In our case, we're an entertainment platform in the sense that there are people signing up like MTV, Burberry, folks like Taylor Swift and Justin Bieber. And why? Because it's their channel to control their entertainment to their fans.

I don't foresee a future where people don't have some sort of phone that's like a computer. I don't foresee a future where those phones don't have cameras in them. That spells a future where smartphones are the status quo. You have to ask yourself how you allow people to communicate what's in their lives.