When we get feedback on women, we ask, "Is that real or is that the gender bias at play?" Everyone could start doing that today and I think we'd see really big results.

Over the last 10 years, women have stalled out at the top.

Facebook is great for women and men. We are enormously flexible. We care a lot about great opportunities for women, we push ourselves to make things as flexible as possible.

What about the rat race in the first place? Is it worthwhile? Or are you just buying into someone else's definition of success? Only you can decide that, and you'll have to decide it over and over and over. But if you think it's a rat race, before you drop out, take a deep breath. Maybe you picked the wrong job. Try again. And then try again.

When companies offer support and assistance for personal and family hardships, their employees become more loyal and more productive.

At Facebook, we try to be a strengths-based organization, which means we try to make jobs fit around people rather than make people fit around jobs. We focus on what people's natural strengths are and spend our management time trying to find ways for them to use those strengths every day.

It's easy to dislike the few senior women out there. What if women were half the positions in power? It would be harder to dislike all of them.