It is hard to deny the booming popularity of social networking sites, the type of sites that facilitate a high degree of user personalization, and user intercommunication.  These site are huge, Facebook has more than 900 million active users. Twitter has more than 300 million users posting more than 100 million tweets a day. There's a huge amount of information about users personal life's being posted every day. People frequently post information about the more mundane aspects of their lives that they would probably not share with someone during verbal conversation. Additionally, users may share their status, news stories, notes, photos, videos, and allow their friends or friends of friends to comment on them. Some individuals even use these platforms to post evidence or intent of criminal activity. This information can be very valuable to forensic investigators.