Social Media gives a platform to individual, group and organization for interaction, communication, sharing and discussion. Social media includes forums, social blog, micro blogging, video sharing websites, and social networking websites. The popular social networking sites are Facebook, Twitter, MySpace, and Google plus.
Now- a-days Facebook has become a vital part of our life. According to Facebook it has more than 845 million active users. Facebook is the most successful social networking site. While Twitter takes the second place and YouTube third.