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You've probably noticed a square barcode pasted to a graffitied light pole or on the back of a business card. That pixelated code, shaped in a square, is called a QR ...

Bree Fowler writes about cybersecurity and digital privacy. Before joining CNET she reported for The Associated Press and Consumer Reports. A Michigan native, she's a long-suffering Detroit sports fan ...

The latest headlines from our reporters across the US sent straight to your inbox each weekday Your briefing on the latest headlines from across the US Quick Response barcodes (QR codes) have taken ...