Companies face a handful of different risks, whether it is competitors or different market environments. But I think that people focus way too much on competitors and not enough on their own execution.

The primary things that people do on the Facebook is they use it to share with their friends and the people around them and their community, and they use it to keep in touch with people.

So many businesses get worried about looking like they might make a mistake, they become afraid to take any risk.

If you're always under the pressure of real identity, I think that is somewhat of a burden.

Free basic internet access should be like dialing 911 in the US or 100 in India.

I think I've grown and learned a lot.

In a lot of ways Berlin is a symbol for me of Facebook's mission: bringing people together, connecting people and breaking down boundaries.