I'm a good girl because I really believe in love, integrity, and respect.

When Facebook was getting started, no one used real identity - everything was anonymous or pseudonymous - and I thought that real identity should play a bigger part than it did.

For years, we've focused on building the best experience for sharing photos with your friends and family. Now, we'll be able to work even more closely with the Instagram team to also offer the best experiences for sharing beautiful mobile photos with people based on your interests.

The web is at a really important turning point right now. Up until recently, the default on the web has been that most things aren't social and most things don't use your real identity. We're building toward a web where the default is social.

It's so much easier to know who you are when there aren't a thousand people telling you who they think you are.

What we really are matters more than what other people think of us.