Survey: IM, Social Networking, Web email and Music download sites pose problems

Only a third of IT managers block access to music download sites, even though almost two-thirds perceive such Web sites to affect productivity and pose a possible security threat. IM applications were also marked out by 53 percent of IT managers as being a danger to the company, while social networking sites rated 48 percent and Web-based email clocked up 46 percent.

Computing.co.UK article