I agree, isn't this now the "gain users as fast as we can, regardless of cost" model? My guess is that they would try to become so useful, then try to either:

I agree, isn't this now the "gain users as fast as we can, regardless of cost" model? My guess is that they would try to become so useful, then try to either: a) up-sell (something) or b) get bought by someone who finds them useful or c) start to threaten Facebook with a new file/photo-sharing network and get bought