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.

The next generation of barcodes includes a heavy emphasis on QR codes and smartphone-use. Fifty years ago, on June 26, 1974, the first universal product code (UPC) was scanned at a Marsh Supermarket ...

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Whether you’re looking to simply be able to scan QR codes you keep on seeing around or to compare prices on barcodes during your shopping, our Top 10 list of QR code and Barcode apps for Android ...