I have this ratio that if you divide age of entrepreneur by market cap of company. For Facebook it's one. Every year of his life Zuckerberg has been making $1 billion for investors.

I must analyze, from what I do now, what will be the impact two or three or five years in the future. What is the statement I want to make?

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.

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

The polling of Internet users shows that friends recommendations are the most reliable driver behind purchasing decisions. Right now that market is largely untapped. Facebook and other social networks can allow that to happen.

You can transmit a thousand times more information.

Facebook is a platform inside a platform.