Considering Facebook's rapid growth and experimental spirit contrasted with Mega Google strength the competition is all good.
It seems sometime in the future Facebook will beat Google in terms of viewership. For me it has beaten Google even now. Why? Because, Google is a search engine while Facebook is social networking. It is far more powerful if it can be called a social network. If Google search engine can somehow make their search engine a social network only then they can gain power.
Facebook has won!