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) ...

A Statista report found that 89 million Americans with smartphones scanned a QR code in 2022, up 26% since 2020, and projected up to 100 million will be using the pixelated tool by 2025–here’s how to ...