Robots to do your housework? What's in store at CES 2016

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CES 2016 kicks off in Las Vegas this week. BBC North America's Technology reporter Dave Lee predicts the biggest talking points and newest gadgets at this year's largest tech showcase: (Photo: A worker adjusts lights on a drone cage in preparation for the 2016 International CES trade show at the Las Vegas Convention Center. Credit: Steve Marcus/Las Vegas Sun/Reuters)