Market Realist on MSN7mon
How QR codes evolved from auto labels to the tech behind every scan
He said that, unlike decades-old black-and-white designs, QR 2.0 would have more colors and may even come in a rectangular ...
Hackaday1y
Color Can Triple QR Code Capacity
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 ...