Tens of thousands of workers have been banned from using social networking sites such as Facebook by employers seeking to curb the wasting of office time. IT experts say that companies are asking for help in blocking access to Facebook, MySpace and Bebo after realising that they could not prevent their staff from surfing the sites in work hours.
http://technology.timesonline.co.uk/tol/news/tech_and_web/article2155515.ece