A man uses a selfie stick to take a picture alongside a person in a robot costume at the Alfa Future People electronic music festival in Nizhny Novgorod, Russia, on Friday, July 22, 2016. FindFace, which has been downloaded for free more than a million times on both Apple and Android platforms since February, allows users to identify strangers at the click of their smartphone cameras as long as they've been previously identified in one of more than 250 million photos posted on VKontakte, or VK, Russia's answer to Facebook. Photographer: Andrey Rudakov/Bloomberg via Getty Images