Executive Vice President of Samsung Electronics America Joe Stinziano unveils the new Samsung S'UHD smart TV at a Samsung Electronics news conference during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada, January 5, 2015. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Roger Lynch, CEO of Sling TV, announces the new Sling Television streaming service by Dish during the Dish news conference at the International Consumer Electronics show (CES) in Las Vegas, Nevada January 5, 2015. REUTERS/Rick Wilking (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY) 

Sony's 4.9mm thick Bravia 4K television is displayed during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 6, 2015. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

Takuma Iwasa (R) of Cerevo Inc. demonstrates the Xon Snow-1 snowboard analyzing system at the International Consumer Electronics show (CES) in Las Vegas, Nevada January 4, 2015. The Xon uses special bindings and a smartphone app to analyze a snowboarder's technique. REUTERS/Rick Wilking (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY) 

Dancing spider-like robots are displayed at the Intel booth during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 6, 2015. The Hexapod robots were made by University of Arizona graduate student Matt Bunting with Intel processors. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS EDUCATION) 

A 3D food printer by XYZprinting Inc. is demonstrated during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 4, 2015. The printer is expected to be available in the third quarter of 2015 but a price has not yet been established, a representative said. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS FOOD) 

Batteries are shown in a Roost booth during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 4, 2015. The wi-fi enabled replacement batteries for smoke detectors will be able send you a notification if the smoke alarm goes off when you are away and alert the owner when the battery is close to running out. The batteries are expected to be available in the summer of 2015, a representative said. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS ENERGY) 

A Re-fuel rechargeable battery for GoPro Hero cameras is displayed during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 4, 2015. The battery gives 12 hours of power, a representative said. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

A MyFox wireless home security system is displayed during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 4, 2015. The system includes a sensor that can tell the difference between natural noises and a break-in. The security camera comes with a sliding physical cover for privacy. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS) 

A Ring video doorbell (L) is displayed during the 2015 International Consumer Electronics Show (CES) in Las Vegas, Nevada January 7, 2015. The doorbell connects with home Wi-Fi to send a video call to the homeowner's smartphone. The doorbell retails for $199.00 and should be in stores in the second quarter of 2015, a representative said. REUTERS/Steve Marcus (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS)