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.

Don't discount yourself, no matter what you're doing. Everyone has a unique perspective that they can bring to the world.

I look at Google and think they have a strong academic culture. Elegant solutions to complex problems.

There have been misperceptions that we're trying to make all the information open on Facebook, and that's completely false. There are big buckets of information that we recommend that you share with only your friends privately. Then some of the more basic information, we recommend that that's visible to everyone.

It's not because of the amount of money. For me and my colleagues, the most important thing is that we create an open information flow for people. Having media corporations owned by conglomerates is just not an attractive idea to me.

It's tough to say, exactly, what things will look like in three to five years, but there's a lot of work to do in just moving along the path that we've already set out.

People can be really smart or have skills that are directly applicable, but if they don't really believe in it, then they are not going to really work hard.