We [Facebook] really believe in enabling people to be their authentic selves on the web, and enabling people to communicate directly with each other in a very personal way.

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.

I spent most of my career, including my time at McKinsey, never acknowledging that I was a woman. And, you know, fast forward - I'm 43 now - fitting in is not helping us.

I probably shouldn't admit this since I work in the tech industry, but I still prefer reading paper books.

The most important thing is to have a more open and honest dialogue about gender issues.

We've ceased making progress at the top in any industry anywhere in the world . In the United States, women have had 14% of the top corporate jobs and 17% of the board seats for 10 years. Ten years of no progress.

The No. 1 impediment to women succeeding in the workforce is now in the home.