(FILES) In this file photo taken on January 10, 2019, a live demonstration uses artificial intelligence and facial recognition in dense crowd space-time technology at the Horizon Robotics exhibition at the Las Vegas Convention Center during CES 2019 in Las Vegas. - A ban on facial recognition for law enforcement in San Francisco highlights growing public concerns about technology that is seeing stunning growth for a range of applications while provoking concerns about privacy. All but one
(FILES) In this file photo taken on January 10, 2019, a live demonstration uses artificial intelligence and facial recognition in dense crowd spatial-temporal technology at the Horizon Robotics exhibit at the Las Vegas Convention Center during CES 2019 in Las Vegas. - A ban on facial recognition for law enforcement in San Francisco highlights growing public concerns about technology which is seeing stunning growth for an array of applications while provoking worries over privacy. All but one of the nine members of San Francisco's board of supervisors endorsed the legislation on May 14, 2019,, which will be voted on again next week in a procedural step. (Photo by DAVID MCNEW / AFP)DAVID MCNEW/AFP/Getty Images