Social media

..."It" is a ZDNet article - well, more like a slide show - by Zack Whittaker, called January 2011: The Definitive Facebook Lockdown Guide...

...a piece at Discovery News about 5 Unexpected Threats of Online Social Networking...

On Guard Online, has a number of other useful-looking pages, though I haven’t checked them all out personally: for example, talking to children about privacy and the internet, other forms of fraud and abuse, and social networking.