Bebo is one of a clutch of shiny new social networking sites that have become an internet phenomenon.
In the UK it is bigger than rival MySpace and has tens of millions of users worldwide, despite only being 18 months old. Founded by Michael Birch and his wife Xochi after they moved from London to California, Bebo was born out of several other online ventures the duo have launched.
The pair will be online on the MediaGuardian.co.uk Talk board for a live chat at 2.30pm on Wednesday, August 9. But you can post a question now, by clicking here.