Image via CrunchBase Facebook is the most popular social networking website which was launched in the year 2004. Currently, this website contains more than six hundred million users. A member of Facebook has the ability to create a profile on the site and include other users of the site in his/her friends list.

The members can pass any types of messages to other users of the site and notifications could be sent automatically whenever they update their profile information. Also, the users may become a member of any of their desired groups which could be a school, college, workplace or interest group.  To become a member of this site, a user must be at least thirteen years of age.