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.

Russia is one of the places where significant presence of social networks are driven by domestic players right now.

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?

Social is a better way to interact with digital world. It is better than search. Implications for... everything. Total change.

Facebook is at the forefront. It's the company that can fundamentally change the way information is being exchanged and processed. It can be the basis for artificial intelligence to develop over time.

There is coming an era for people with a mathematical state of mind

Facebook didn't know how successful Zynga would be.