The king of internet search engine Google versus the king of social network Facebook?. After Google launched Google Buzz last year in Feb 2010 it seem not succeed to globalize. In next may this year, Google will launchs new social network called "Google Circle" is set to challange domination of Facebook.
As said by TechCrunch. According to The Web, Google will focus a lot on groups of friends and how you share with them, and try to differentiate themselves from Facebook in this and other ways.