Show attendees check out Samsung smart TVs at the Samsung 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)
Moti Elmaliach, center, of Israel, writes on a display using Panasonic's electronic touch pen at the Panasonic booth at the International Consumer Electronics Show in Las Vegas, Tuesday, Jan. 8, 2013. (AP Photo/Jae C. Hong)
The Dish mascot Hopper entertains show attendees 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)
Show attendees look at curved OLED displays at the LG booth at the International Consumer Electronics Show in Las Vegas, Tuesday, Jan. 8, 2013. (AP Photo/Jae C. Hong)
A model stands next to Samsung 110-inch 4k Ultra HD TV at the Samsung booth at the International Consumer Electronics Show in Las Vegas, Tuesday, Jan. 8, 2013. (AP Photo/Jae C. Hong)
LAS VEGAS (AP) — In the not-so-distant future, couch potatoes will be waving, pointing, swiping and tapping to make their TVs react, kind of like what Tom Cruise did in the 2002 movie “Minority Report.” That’s the vision of TV manufacturers as they show off …