KFC lets you pay for meals with your smile in China

If you find yourself at KFC’s new ‘KPRO‘ restaurant in the Chinese city of Hangzhou, you can pay for your healthy meal at the concept establishment simply by flashing your pearly whites at the self-service kiosk. The system uses a 3D camera mounted at the top of a touchscreen kiosk where you place your order; enter your phone number there and let it snap a photo of you, and your meal is paid for through your Alipay account. That means you can leave your phone at home the next