In last 4 – 5 years, there has been extensive usage of social media by the internet users. Till December 2009, nearly 83% of internet users hold an account on any of the social website and by May 2010, the US internet users accessing social media sites has increased to 86%. From mid 2010 to 2011, the total users on Facebook have reached 600 million from which more than 301 million users visit the social network daily.
In United States, 63.46% of internet users access Facebook, 20.50% of users reach YouTube to view videos online and remaining 13.80% visit other social channels like Twitter, Flickr, MySpace, Ozone and StumbleUpon.
