Grief affects job performance, so giving workers time off to grieve can lead to stronger outcomes at work.

At Facebook we feel a lot of affinity not just for this community but for any community that is trying to do what Davos is trying to do, which is to share information. And Davos is doing it in a particular way - I think the Facebook approach is obviously more broad-based, we're trying to include everyone in the world. But the goal is the same: bring people together, to share information and make the world more connected, and have people have a deeper understanding of themselves, others, the communities of which they want to be a part and can be a part.

I want my daughter to have the choice not just to succeed, but to be liked for her accomplishments.

I'm a feminist because I believe in women... it's a heavy word, feminism, but it's not one I think we should run from. I'm proud to be a feminist.

If you ask men why they did a good job, they'll say, 'I'm awesome. Obviously. Why are you even asking?' If you ask women why they did a good job, what they'll say is someone helped them, they got lucky, they worked really hard.

A truly equal world would be one where women ran half our countries and companies and men ran half our homes.

I would love to meet J.K. Rowling and tell her how much I admire her writing and am amazed by her imagination. I read every 'Harry Potter' book as it came out and looked forward to each new one. I am rereading them now with my kids and enjoying them every bit as much. She made me look at jelly beans in a whole new way.