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I believe receipts would be a good application for QR codes. The reason being that that the store probably has a screen that can display the receipt QR code and
by jaredtking 12y ago
I believe receipts would be a good application for QR codes. The reason being that that the store probably has a screen that can display the receipt QR code and a majority of smartphones support QR codes but not NFC (e.g. iPhones).