I think a simple rule of business is, if you do the things that are easier first, then you can actually make a lot of progress.

I got my first computer in the 6th grade or so. As soon as I got it, I was interested in finding out how it worked and how the programs worked and then figuring out how to write programs at just deeper and deeper levels within the system.

Berlin definitely has one of the most vibrant of the startup scenes that I have seen. Not really just across Europe, but across the whole world in terms of cities. It's an interesting dynamic.

We are so fortunate that our work in connecting the world through Facebook has given us the ability to give back to our local community, our country and the world -- and to work to improve education, health care and internet access for everyone, to serve our community in San Francisco, we can think of no better place to focus than The General.

By giving people the power to share, we're making the world more transparent.

The thing I really care about is the mission, making the world open.

What Facebook stands for in the world is giving people a voice and spreading ideas and rationalism.