What to expect in the short term of Google?

What is next in the short term for facebook? In july, 2009 there were 250 million users, today after only one year, Facebook claims having a 400 million people network. What can we expect for the next two years?
Facebook is considered the second page with more traffic users all over the world and what it began by being a student network it has spread to every type of social group. How fast and how far can it still growing if we consider the current worldwide population and considering they decided to not get in to the China Market. I believe their growth rate might slow but will be still growing according to the growth of internet users in the world. Internet has become a first choice network of every internet user because of its size and because it is becoming a day to day experience to communicate this way with others.
Although their great number of users, Facebook faces the challenge to establish clear rules and conditions about privacy. Recently it has been questioned about the lack of security in the use of our information and legally speaking has been questioned for the copyright policy that it try to change.
From a financial or business point of view, Facebook faces the challenge is this next two years to demonstrate how profitable its business model can be. For the last two years it has been the target of serious doubts and criticism because of its lack of profitabilities. With no doubt, I believe that during this next couple of years Facebook will show its business muscle and that will use every tool and information piece to develop a great platform for advertising and marketing services. Any kind of advertising network would want a 400 million captive consumer client. Facebook beside having a captive client has its profile and a lot of information that it will use in order to sell more efficient marketing services. There had been some previous experiences with I Tunes and in the short term I expect to see and explosion of synergies with all kinds of companies that will use Facebook platform to advertise their products. Honestly I think it will become a great competitor of google in the advertising sector with probably more tools to talk directly to the client. Sidebusiness like games will continue to grow and will also continue to be a source of revenue, although its more important one will definitely be advertisement and a tool like facebook connect will help it to consolidate more external or outside facebook information about the user.