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.

Position markers, also known as finder patterns, are the large squares located at three corners of the QR Code. These markers help scanners detect the QR Code and determine its orientation. They are ...

If there's a shortage of anything, it's understanding of how QR codes work.

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Scanning a QR code can expose you to identity theft, according to the Federal Trade Commission. Quick-response, or QR codes, which store links and other information and are readable by a smartphone ...

Facebook posts about the dangers of consumers receiving a package as part of a brushing scam warn that the lone act of scanning a malicious QR code — a code found inside the unsolicited parcel — can ...

Security researchers from Barracuda report new tricks using QR codes. The attacks come via email and bypass many of the security scans commonly used in large companies. If the end user then also reads ...

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 ...