What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web tracking. QR codes have been around for a long time. They were first ...

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But as with any new advancement in technology, QR codes come with some downsides. Here’s what you need to know if you use the barcodes in your business: 1. Customers may have privacy concerns. QR ...