You may have noticed the proliferation of QR codes in your mailbox in the last few years. We certainly are moving toward a digital world, and QR codes are part of that evolution. A QR code is a ...

If you sell products to your customers, many of the items probably already have UPC barcodes you scan when ringing up sales. However, you can use barcodes on products or items for other purposes as ...

My QR code reader was in a loop of error messages and had no intention of snapping out of it. “Hold over QR code…” The real-estate section of our Sunday paper ...