Endless data show that diverse teams make better decisions. We are building products that people with very diverse backgrounds use, and I think we all want our company makeup to reflect the makeup of the people who use our products. That's not true of any industry really, and we have a long way to go.

I'm excited that more people, especially men, are understanding that equality is good for them. I don't want men to want equality for women because they're being nice to their colleagues and daughters. I want men to want it because it's better for their companies and their lives.

So please ask yourself: What would I do if I weren't afraid? And then go do it.

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.

And anyway, who wears a tiara on a jungle gym?

It is illegal to discriminate on the basis of pregnancy or gender. It is not illegal to talk about it.

Success and likeability are positively correlated for men and negatively for women. When a man is successful, he is liked by both men and women. When a woman is successful, people of both genders like her less.