Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...

QR codes are convenient because they can be scanned with a smartphone camera to access a website URL or used as secure login information, but because they are generally simple, black and white ...

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 ...

Originally developed in the mid-1990s for manufacturing and inventory control, QR codes most often appear as a small graphic that looks like randomly placed small black squares arranged in a ...