Good detailed example of the use of QR codes. Have mentioned them many times here. We tested their use in the aisle for locational 'check in':
" ... It was a match made, if not in heaven, than in the produce section. When Price Chopper sent out more than 40,000 postcards on Dole's behalf in November, the messages included both a QR code and a short code for texting. "The QR code is the hero, but for the mobile experience to be accessible by everyone, we had to incorporate a short code," says CarrieAnn Arias, senior manager of shopper marketing at Dole Fresh Vegetables. "Most phones are Web-enabled, but not everyone has a smartphone. [To use a QR code] a consumer has to be able to download an app and have a reader." .... "
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