LAS VEGAS, NV - JANUARY 06: Samsung's Welt, the smart belt that monitors the user's waistline with an app, is displayed at the Samsung booth at CES 2016 at the Las Vegas Convention Center on January 6, 2016 in Las Vegas, Nevada. CES, the world's largest annual consumer technology trade show, runs through January 9 and is expected to feature 3,600 exhibitors showing off their latest products and services to more than 150,000 attendees. (Photo by David Becker/Getty Images)
