Facebook, MySpace, LinkedIn, Twitter, Ning, Digg, MeetUp, blogs, etc., — the number of social networking sites and tools is exploding. Social networking is the killer app of the Internet for everyone – not just the texting teenybopper crowd. Such sites have breached the walls of the corporate firewall, are a part of our most important smartphone apps, are a vital tool for any serious job search, and are the new way to connect with current and new friends. But using social networking tools and sites seems to be in direct conflict with another important principle of using the Internet – protect your identity from identity theft. Participating in online social networking sites leaves a trail of personal information that can make stealing your identity a whole lot easier. What’s a current-day Internet user to do? Each of us should take responsibility for protecting ourselves. Microsoft Subnet blogger and security expert Mitchell Ashley bring you his top 12 tips to help you practice safe social networking. Go here for the full story.