".... FindFace, which launched two months ago, lets users take a photo of a crowd and work out individuals' identities with 70 percent reliability. It does this by using image recognition technology to compare faces against profile pictures on Vkontakte, a Facebook-style social media site that has 200 million users.
The app already boasts 500,000 users and has performed nearly 3 million searches. Though currently limited to Russia, the app’s creators, Artem Kukharenko and Alexander Kabakov, imagine a world where the app is used by everyone to examine strangers’ social network profiles just by taking a photo of them on the street...."