Position markers, also known as finder patterns, are the large squares located at three corners of the QR Code. These markers help scanners detect the QR Code and determine its orientation. They are ...

Let me come clean: For way too long now, I’ve been excited about the 2D optical code format called QR Code. I even convinced TidBITS to put one on every article page for a while. I don’t get a ...

For the longest time we’ve been using UPC bar codes to store strings of information in a compact space on both product labels and people in dystopian sci-fi movies. But as our needs grew and became ...

During a digital health symposium this week, Christopher Longhurst, MD, with UC San Diego Health, pulled up a QR code from his phone's digital wallet, scanned it at a check-in kiosk and instantly ...

Why on earth would you want to use your iPhone’s camera to scan a two-dimensional block-and-dot code? How could this possibly have a benefit worth the trouble? Why would Apple have any interest in ...