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.

If there's a shortage of anything, it's understanding of how QR codes work.

Forbes contributors publish independent expert analyses and insights. David Birch is a London-based advisor on digital financial services. Feb 28, 2024, 01:41pm EST Mar 12, 2024, 09:02am EDT ...

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QR codes have become something of a joke. For the most part, they offer little that couldn't be achieved with a multitude of other technologies. NFC is more efficient, for example, at directing your ...