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QR Code?
What does QR mean, where did it come from?

QR stands for Quick Response:

The QR code system was invented in 1994 byMasahiro Hara from the Japanese company, Denso Wave. Its purpose was to track vehicles during manufacturing; it was designed to allow high-speed component scanning. QR codes are now used in a much broader context, including both commercial tracking applications and convenience-oriented applications aimed at mobile-phone users. QR codes may be used to display text to the user, to open a webpage on the user's device, to a wireless network, or to compose an email or text message. The QR code has become one of the most-used types of two-dimensional code.

QR codes storing addresses and URLs may appear in magazines, on signs, on buses, on business cards, or on almost any object about which users might want information. Users with a smartphone camera can scan the image of the QR code to display text, contact information, connect to a wireless network, or open a web page in the telephone's browser. QR codes also may be linked to a location to track where a code has been scanned. Either the application that scans the QR code retrieves the geo information by using GPS and cell tower triangulation (aGPS) or the URL encoded in the QR code itself is associated with a location. Example, in 2008, a Japanese stonemason announced plans to engrave QR codes on gravestones, allowing visitors to view information about the deceased, and allow family members to keep track of visits!

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