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.

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Speed is essential to a well-managed recall. The faster consumers are alerted and understand what to do, the faster contaminated products can be identified, returned, or discarded. That’s why QR codes ...

Benjamin Claeys is CEO of QR TIGER, MENU TIGER, and GiftLips. He also hosts Stay QRious, a podcast about QR code best practices. The idea for QR codes was first conceived to help track automotive ...