Yes! You smile to pay for your food! Before you get excited, this particular KFC chain is a healthier food version called K Pro. They serve salads, paninis and juices. Free is free tho and a smile costs you nothing.
The new facial recognition is currently being tested out in Hangzhou,China. Users have to have an Alipay account. To prevent fraud on the smile-for-pay system, you must enter your phone number. Also, the system recognizes the live-ness to prevent people from using a smiling photo for example. All bases are covered.
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