Microsoft executive Matt Booty says future Xbox exclusivity will be decided “case-by-case,” with Gears of War: E-Day and Clockwork Revolution remaining Xbox console exclusives while major multiplayer, live-service, and previously promised PlayStation releases stay multiplatform. But IGN’s Tom Phillips says Microsoft’s announcement still leaves numerous questions unanswered, like “why just Gears and Clockwork Revolution?” and “how will this policy be enforced in future?” From the report: Last night’s Xbox Showcase featured the return of games specifically earmarked as exclusives for Xbox consol