Mark Zuckerberg

The question isn't, 'What do we want to know about people?', It's, 'What do people want to tell about themselves?'

By giving people the power to share, we're making the world more transparent.

On engagement, we're already seeing that mobile users are more likely to be daily active users than desktop users. They're more likely to use Facebook six or seven days of the week.

There's never been anything I didn't love that I didn't connect with on a personal level because, to some degree, I projected upon it.

In a small spacecraft, it was hard for the other two guys to sleep when the on-duty man was talking to Mission Control regularly.