People on smartphones
Arrow sign
Green light illuminates data cable terminals inside a communications room. Photographer: Chris Ratcliffe/Bloomberg
Attendees check their smartphone devices by a 5G sign during the opening day of the Mobile World Congress (MWC) in Barcelona, Spain. Photographer: Simon Dawson/Bloomberg
People on smartphones
Person on phone
A firefighter searches a burned-out building in Paradise, California, U.S., on Thursday, Nov. 15, 2018.  Photographer: David Paul Morris/Bloomberg