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" Customers have to scan a smartphone app to enter the store. Once inside, cameras and sensors track what they pick up from the shelves and what they put back. Amazon then bills shoppers credit cards on file after they leave. "
more at link
https://www.reuters.com/article/us-...-cashierless-stores-by-2021-bbg-idUSKCN1LZ2NY
.
" Customers have to scan a smartphone app to enter the store. Once inside, cameras and sensors track what they pick up from the shelves and what they put back. Amazon then bills shoppers credit cards on file after they leave. "
more at link
https://www.reuters.com/article/us-...-cashierless-stores-by-2021-bbg-idUSKCN1LZ2NY
.