Recent research from Hitwise UK shows that 'facebook' has become the most searched-for term in the UK. Searches for 'facebook' have increased seven-fold over the last 12 months.
Tags (All lower case. Use " " for multiple word tags):
I think it gets artificial hits, it seems to have some kind of default programme about joining which pushes people to join or appear to be unfriendly to their contacts. If you took that away it may not be so popular.