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It has been confirmed that while installing a game, you can now play it while it is installing. This is very good when it comes to huge games such as Halo, GTA, etc. The Xbox One will be storing all of these games on its massive 500GB hard drive. Also, Microsoft may charge a fee if you want the download on more than one account.
Below you will find lots of HD photos of the Xbox One
~ Source
wrote:It looks like the PS4 concepts I have seen 