Everywhere you look these days you see those pixelated squares known as Quick Response (QR) Codes. QR Codes are the next generation of the familiar bar code that merchants have been using for years but ups the ante by linking the user to sources of information and data in an instant. QR codes, which have been around for more than a decade, are more convenient and popular than ever, even more so during the era of COVID where online shopping and contactless...