I'm not sure that this applies here, though. Facebook is ideally suited to hosting "proper" instant messaging, because it has the added bonus of automatically m

I'm not sure that this applies here, though. Facebook is ideally suited to hosting "proper" instant messaging, because it has the added bonus of automatically managing the roster list. I don't need to add anyone, my friends are already all on there. That's a massive bonus over any other instant messenger for many, many people.