It was an April Fool's joke. It would seem that it is a tradition for challenge sites to claim to have been sold on the 1st April. I believe that hackits.de was sold to Microsoft one year!
I am interested. How many countries have April Fool's Day, or at least are aware of it?
smutley
PS The BBC in the UK did a report this year on tnewly discovered flying penguins. The flying penguins looked cool, though a little fake (obviously!)