Using facial recognition to identify strangers - BBC Trending

Twenty-one-year-old Egor Tsvetkov has carried out an experiment to show how easy it is to identify complete strangers.\r
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The Russian photography student took photos of people in public places and then tracked them down on the Russian social media site VKontakte using a facial recognition app.\r
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The experiment You Face Is Big Data was published online and has been viewed by more than 70,000 times.\r
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Video journalist: Anne-Marie Tomchak\r
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