Those square-shaped, jigsaw-puzzle-like QR codes have been popping up almost everywhere in hotels this year, from key card packets to cocktail napkins to bedroom pillows. And sometimes, you never know ...

Want to know if the bed sheet in your hotel room is washed? Scan the QR code on it. A laundry base in Wuhan, the capital of Hubei province, became the latest one in the country to attach small chips ...

The sign on the post at the pizza joint in Detroit had just one word on it, "Dog," and a QR code. My first reaction — and unfortunately this is how it goes when you write a little too much about fraud ...

A Quick Response code, or QR code, is an easy way to access information on your mobile device. However, a scam that uses the codes at parking meters is making people become more vigilant before they ...