A Chinese customer experiences a facial recognition payment system, also known as the "Smile to Pay" system, at a KFC fast food restaurant in Hangzhou in China's eastern Zhejiang province on September 1, 2017. The operator of KFC in China is rolling out a futuristic system of paying at a fast-food counter via facial recognition, as the country embraces the technology for everything from toilet paper to travel. / AFP PHOTO / STR / China OUT (Photo credit should read STR/AFP/Getty Images)
