Workers pour a blue vodka-based drink through a CES-branded ice luge during the CES Unveiled press event ahead of the 2015 Consumer Electronics Show in Las Vegas, Nevada, U.S., on Sunday, Jan. 4, 2015. This year's CES will be packed with a wide array of gadgets such as drones, connected cars, a range of smart home technology designed to make everyday life more convenient and quantum dot televisions, which promise better color and lower electricity use in giant screens. Photographer: Michael Nagle/Bloomberg via Getty Images
