The companies that work are the ones that people really care about and have a vision for the world so do something you like.

Why are most chess masters under 30?

I think video is a mega trend, almost as big as mobile.

I would only hire someone to work directly for me if I was willing to work for that person.

Providing the best photo sharing experience is one reason why so many people love Facebook and we knew it would be worth bringing these two companies together.

You can be so bad at so many things... and as long as you stay focused on how you're providing value to your users and customers, and you have something that is unique and valuable... you get through all that stuff.

I made so many mistakes in running the company so far, basically any mistake you can think of I probably made. I think, if anything, the Facebook story is a great example of how if you're building a product that people love you can make a lot of mistakes