CES unveils big TVs with 'ultra-high de

CES unveils big TVs with 'ultra-high definition'
Associated Press

Technicians install Sony's 4k Ultra HD television at the Sony booth at the International Consumer Electronics Show in Las Vegas, Monday, Jan. 7, 2013. The 2013 International CES gadget show, the biggest trade show in the Americas, is taking place in Las Vegas this week. (AP Photo/Jae C. Hong)

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