Readers aren't happy about QR codes, tipping protocol and prices. We also asked readers to tell us how they describe a ...

QR code success stories abound, in categories from lifestyle to leisure, entertainment, food and drink, promotions, events, information, and beyond. Take a look at the following QR code samples.

QR codes are quick, easy to generate, and let you share digital information in offline spaces. Here is what you should know ...