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Xu Li, chief executive officer of SenseTime Group Ltd., is identified by the company's facial recognition system on a screen as he poses for a photograph at SenseTime's showroom in Beijing, China, on Friday, June 15, 2018. SenseTime's image-identifying algorithms have made it the world's most valuable AI startup and an early leader in China, where it's won contracts with the country's top phonemakers, largest telecommunications company, and biggest retailer. Photographer: Gilles Sabrie/Bloomberg via Getty Images

Xu Li, chief executive officer of SenseTime Group Ltd., is identified by the company's facial recognition system on a screen as he poses for a photograph at SenseTime's showroom in Beijing, China, on Friday, June 15, 2018. SenseTime's image-identifying algorithms have made it the world's most valuable AI startup and an early leader in China, where it's won contracts with the country's top phonemakers, largest telecommunications company, and biggest retailer. Photographer: Gilles Sabrie/Bloomberg via Getty Images