You've probably seen QR tags thousands of times, from advertisements
in the subway to coupon flyer in the mail to products in the
supermarket. They look like stamp-size bar codes, a grid of small
black-and-white rectangles and squares, usually with bigger black
squares in the corners.
A marketer's dream-come-true, these tiny images are capable of
storing and transmitting loads of data directly to the smartphones of
interested customers. When a person scans a QR tag with a smartphone,
the tag can do any number of things, including taking the user right to
the product's website.
> http://www.securitynewsdaily.com/qr-tags-attack-smartphones-1144/
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