"Microsoft has a giant presence on Facebook, with over 17,000 employees (out of 70,000 worldwide) joining their Facebook network. Since you need a Microsoft email address to get it, it's highly unlikely these are anything but real Microsofties, and the large number means Facebook is becoming a pretty important means of communication inside MS," according to the Inside Microsoft blog.
The real Bill Gates has only 57 friends, it says. There are also plenty of fake Bill Gates entries, of course, but Facebook has no shortage of fake people.
