Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

Scammers have used QR codes to steal personal information by imitating legitimate companies or sending deceptive emails and text messages, the Federal Trade Commission said. By Amanda Holpuch QR codes ...

Google is changing the way you confirm if contacts are legit. The company has begun rolling out a QR code to verify that the person you're communicating with is, in fact, who they say they are, ...