A little bit of interesting tech.... streaming games from your PC to other PCs or PS3

http://www.streammygame.com/smg/modu...?name=Tutorial

How would that work? (especially without laaaag)

And why are they offering it for free?

EDIT: just realized there's a upgrade version.. but damn, that's interesting. I can't imagine having a lan party to watch someone else play, but with some games like FEAR, etc... the storyline is interesting enough to watch. (at least my gf says so...)