A robotic arm and hand follow the movements of the worker wearing a special adapted glove, left, on the opening day of the Mobile World Congress (MWC) in Barcelona, Spain, on Monday, Feb. 27, 2017. A theme this year at the industry's annual get-together, which runs through March 2, is the Internet of Things. Photographer: Chris Ratcliffe/Bloomberg
Foto: Bloomberg - Chris Ratcliffe