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.

Who would have thought that the lowly barcode, the stodgy grandfather of the identification technology world, would reemerge as a marketer’s dream? Well, it is happening. A new generation of barcodes ...

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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As well as being able to compare prices of stuff in the shops with a quick scan of the barcode/QR code, you can create artworks, as artist Scott Blake has shown with his series of famous faces. A big ...

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 ...