These days, it's easy for anyone to take out their phones and scan a QR Code to see a food menu or to pay a bill. But, QR Codes can also make it easy for scammers to access your personal information.
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) ...
Ever wondered why seemingly harmless Amazon packages are suddenly landing on your doorstep with no sender name, no return address—just a mysterious QR code tucked inside, inviting you to scan it?