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 ...

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 ...

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.

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For a short time, the QR code was the poster child of marketing. While the frenzy of discussion about them disappeared almost as quickly as it appeared, QR codes still have their uses in moving ...

Now that Google is using the two-dimensional bar codes as part of its local businesses listings program, it's all the more reason for an app to help read them. CNET contributor Don Reisinger is a ...