Now this is good news. I bet the cloud had ALOT of help in this and it goes to show that other developers will FOR SURE take it to good use
Via: News: Dead Rising 3's "fully unconstrained world" only possible on Xbox One - Xbox 360 - The Official Magazine
The short version is this: it's both huge and handsome, much like Aisha Tyler. With Xbox One's mighty RAM allowance to lean on, Capcom Vancouver has engineered a much larger world that's nonetheless "denser" than those of prior Dead Risings. "We're really proud of how it's come together, and how much density we've been able to keep on the screen - number of zombies, number of items, number of physics objects - and still make the game look this pretty."
Via: News: Dead Rising 3's "fully unconstrained world" only possible on Xbox One - Xbox 360 - The Official Magazine