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Has not evolved much the way we make purchases, but a supermarket chain recently opened in Seoul, South Korea, decided to put an end to the cart or shopping bags. The store uses QR Code technology to sell their products, and customers only need to point their mobile products to make the purchase, put items in a virtual shopping cart and wait for the delivery to the address you choose.
Located in the subway station Seoulleung, the new supermarket offers a shelf with about 500 virtual products.
It was funny to have this technology here, I believe that the stores would have lower costs and free delivery to home ...
image not mine