Some of the best ideas throughout the company's evolution have been from places all throughout the company whether it's an engineer or someone on the customer support team. Just different areas around the company.

People will always want more immersive ways to express themselves. So if you go back ten years ago on the internet, most of what people shared and consumed was text. Now a lot of it is photos. I think, going forward, a lot of it is going to be videos, getting richer and richer.

Facebook is uniquely positioned to answer questions that people have, like, what sushi restaurants have my friends gone to in New York lately and liked? These are queries you could potentially do with Facebook that you couldn't do with anything else, we just have to do it.

If you actually do something you love it's a lot easier and takes on a lot more purpose.

I'm trying to make the world a more open place by helping people connect and share.

It is really important for us that people understand what the strategy is and that the real approach is to make everything social, not to build a vertical approach.

Simply put: we don't build services to make money; we make money to build better services.