[CES 2013] Why UltraHD is Not 4K (video)

UltraHD or 4K is all over the Consumer Electronics Show (CES) this year. Sony, Samsung, Sharp, Panasonic, LG, Vizio and even Viewsonic have all show new UltraHD TVs and even 4K Blu-rays! But for industry pros, all the talk about 4K being UltraHD, and…

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