This has always been one of my favorite uses of QR codes, a grocery store in the subway. Taking wasted space and wasted time, and putting them to productive use

This has always been one of my favorite uses of QR codes, a grocery store in the subway. Taking wasted space and wasted time, and putting them to productive use is amazing. http://natmobi.com/innovative-qr-code-grocery/ http://natmobi.com/innovative-qr-code-grocery/