Chowhound on MSN
How grocery store facial recognition in China turned into the 'smile to pay' concept
The way you pay at grocery stores is evolving. And if you thought tapping your phone was futuristic enough, wait until you ...
The "Smile to Pay" system will allow customers at a healthier spin-off of KFC in the eastern city of Hangzhou to keep their wallets. The "Smile to Pay" system will allow customers at a healthier ...
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