"Smile to pay" trialed in east China restaurant

A customer tries to pay the bill using facial recognition technology in a KFC KPRO restaurant in Hangzhou, east China. The technology, known as "Smile to Pay" has been developed by China's e-commerce giant Alibaba. It's been made available in the fast food restaurant on a trial basis. [Photo:　vcg.com]

A customer tries to pay the bill using facial recognition technology in a KFC KPRO restaurant in Hangzhou, east China. The technology, known as "Smile to Pay" has been developed by China's e-commerce giant Alibaba. It's been made available in the fast food restaurant on a trial basis. [Photo:　vcg.com]

A customer tries to pay the bill using facial recognition technology in a KFC KPRO restaurant in Hangzhou, east China. The technology, known as "Smile to Pay" has been developed by China's e-commerce giant Alibaba. It's been made available in the fast food restaurant on a trial basis. [Photo:　vcg.com]