If you're offered a seat on a rocket ship, don't ask what seat! Just get on.

I have never met a woman, or man, who stated emphatically, "Yes, I have it all.'" Because no matter what any of us has—and how grateful we are for what we have—no one has it all.

In those same 10 years, women are getting more and more of the graduate degrees, more and more of the undergraduate degrees, and it's translating into more women in entry-level jobs, even more women in lower-level management. But there's absolutely been no progress at the top. You can't explain away 10 years. Ten years of no progress is no progress.

When you're more valuable, the people around you will do more to make it work.

Today, despite all of the gains we have made, neither men nor women have real choice. Until women have supportive employers and colleagues as well as partners who share family responsibilities, they don't have real choice. And until men are fully respected for contributing inside the home, they don't have real choice either.

I go around the room and ask people, 'What do you think?'

I'd worked on leprosy and malaria in India [at the World Bank] and asked myself the question: Why do we let 2 million children die every year around the world for not having clean water? Because they're faceless and nameless. So, for me, Facebook looked like it was going to solve the problem of the invisible victim.