With the advent of web 2.0 and social network there have been great changes in almost every wake of our life. Either it is education or politics, business or games, web 2.0 and social network has totally refined their systems. Web 2.0 has been rightly acknowledged as the second generation web which is much faster agile and cheaper. Perhaps every one still remembers the victory of Barack Obama’s Presidential election where social network played a major role. It can be recorded in the history of social network and perhaps it was the evolution which led to the quick development and popularity of social network.