How would you have done things differently if you were not afraid?

When I started out in Facebook, it had only 20 people. I saw it grow to a thousand employees and from five million users to over a billion users. I saw it evolve from a service that served college students to one that served the world.

If I don't ask for something, I'm not going to get it.

When I started Cove, I spoke to three immigration lawyers who gave me a long checklist of things to do before my company could hire immigrants.

How would you have done things differently if you were not afraid?

Facebook has woven itself into the fabric of our lives and the foundation of the Internet. I think everything will be redefined because people are using their real identities on the Internet.

Only great people can make great products.