TVs get bigger and smarter at CES 2013

Payton Tyrell, left, demonstrates on a transparent 3D TV at the Hisense booth at the International Consumer Electronics Show in Las Vegas, Tuesday, Jan. 8, 2013. (AP Photo/Jae C. Hong)

Julie Jackson demonstrates on the Samsung Smart Touch remote at the Samsung booth at the International Consumer Electronics Show in Las Vegas, Tuesday, Jan. 8, 2013. (AP Photo/Jae C. Hong)

A show attendee looks at Sony's 4K Ultra HD TV at the Sony booth at the International Consumer Electronics Show in Las Vegas, Tuesday, Jan. 8, 2013. (AP Photo/Jae C. Hong)

Dylon York, center, and Chase Heavener, right, use 3D glasses to watch a show outside the LG booth at the International Consumer Electronics Show in Las Vegas, Tuesday, Jan. 8, 2013. (AP Photo/Jae C. Hong)

Vito Anzalone, far right, looks at the back of Sony's 4K XBR LED televisions at the Sony booth during a news conference 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)