Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

Uniqode reports that brands can leverage packaging QR codes to build direct customer relationships, overcoming retail access ...

More recently, QR Codes have become popular on the web and smartphones due to their fast readability and large storage capacity compared to standard UPC barcodes. Initially, QR codes were used ...

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