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

I wish I were strong enough to ignore what others say, but experience tells me I often can't. Allowing myself to feel upset, even really upset, and then move on - that's something I can do.

Let's acknowledge that men reach for opportunities more quickly and more easily than women. So often as managers, we give the job to whoever starts solving the problem, to whoever jumps in. Since we know men will jump in faster than women in so many circumstances, we have to slow down and encourage more women to sit at more tables.

But the upside of painful knowledge is so much greater than the downside of blissful ignorance.

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.

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.

Social gains are never handed out. They must be seized.