Grayman said:as a rebuttal http://www.youtube.com/watch?v=cEzT4KQX8S4&feature=related
invisible walls are terrible though especially when placed inside the live environment.
That's hardly a rebuttal! Doing that without competitive multiplayer is basically masturbation, and if I'm going to do that I'd rather just masturbate and\or see if Mama's Family is on.