I'm just focused on exploring new opportunities.

You can transmit a thousand times more information.

Facebook now is mostly about people you know. In the future it could be about people you know less but are more important.

The company that creates one global social graph will be very important going forward. It will be Facebook, with maybe 2-3 local social networks able to sustain competition long term.

I'm just focused on exploring new opportunities.

Fundamental physics is like an art more or less. It's completely non-practical, and you can't use it for anything. But it's about the universe and how the world came into being. It's very remote from your daily life and mine, and yet it defines us as human beings.

It’s not about revenues: the fundamental economics in digital business is scale and margins. The top line has become the bottom line.