Like "Wi-Fi," the term "QR" is used often in day-to-day situations, but not everyone knows what it stands for. English speakers make frequent use of abbreviations to shorten communication or inject a ...

QR Codes are the same as bar codes on clothes, food and lots of other items we buy every day ... but with a twist. QR, or Quick Response, Codes direct smartphone users to a special offer or website ...

In a hotel lobby, two QR Codes promote the same thing: a 10% discount on the breakfast buffet. One sits at eye level beside the elevator buttons, right where guests wait with their phones in hand. The ...