More than a quarter of eight to 11-year-olds who are online in the UK have a profile on a social network, research shows.

"Most sites, such as Bebo, MySpace and Facebook, set a minimum age of between 13 and 14 to create a profile but none actively enforce."

Read the full report, or "Executive summary" at http://www.ofcom.org.uk/advice/media_literacy/medlitpub/medlitpubrss/socialnetworking/.