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.

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Half of all people who buy products online first go to a bricks-and-mortar store to do their research, according to a recent ClickIQ survey of 900 shoppers. Known as “showrooming,” this habit is ...

It's generally best to avoid scanning a QR code of unknown origin, and caution is becoming more important as threats proliferate. Anybody can make a QR code in a matter of seconds using free online ...

I don’t scan QR codes, and neither should you, especially if you care about cybersecurity. A QR code is a two-dimensional barcode that is readable by a smartphone with a camera or a mobile device with ...

Without an easy interface for clicking through to purchase, audio and video ads have, until recently, been best suited to upper-funnel brand-awareness campaigns rather than direct response. But now, ...

Now that Google is using the two-dimensional bar codes as part of its local businesses listings program, it's all the more reason for an app to help read them. CNET contributor Don Reisinger is a ...