There is a huge need and a huge opportunity to get everyone in the world connected, to give everyone a voice and to help transform society for the future. The scale of the technology and infrastructure that must be built is unprecedented, and we believe this is the most important problem we can focus on.

Mobile is a lot closer to TV than it is to desktop.

I actually remember very specifically the night that I launched Facebook at Harvard. I used to go out to get pizza with a friend who I did all my computer science homework with. And I remember talking to him and saying I am so happy we have this at Harvard because now our community can be connected but one day someone is going to build this for the world.

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.

Of course, hate speech and racism have no place on Facebook

Facebook was not originally created to be a company. It was built to accomplish a social mission - to make the world more open and connected.

I don't hate anybody. The Winklevi aren't suing me for intellectual property theft. They're suing me because for the first time in their lives, the world didn't work the way it was supposed to for them.