Barcelona’s QR Code Shopping Wall

Spanish supermarket Sorli Discau has opened a QR Coded virtual store in SarriĆ  subway station in Barcelona. 400 products are available and are delivered to the shoppers home. QR Code poster shops at subway and railway stations are not new but what is interesting is that some virtual grocery stores are using QR Codes while others like Philadelphia’s Peapod use UPCs and an app. The question is, in the long run which method will consumers prefer?

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