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[[File:Wikipedia mobile en.svg|thumb|QR code for the [[URL]] of the English Wikipedia Mobile main page]]
A '''QR code''' (abbreviated from '''Quick Response code''') is a type of [[matrix barcode]] (or two-dimensional code) first designed for the automotive industry. More recently, the system has become popular outside of the industry due to its fast readability and comparatively{{what|reason=compared to what?|date=December 2011}} large storage capacity. The code consists of black modules arranged in a square pattern on a white background. The information encoded can be made up of any kind of data (e.g., binary, alphanumeric, or [[Kanji]] symbols).<ref name=QRCodefeatures>{{cite web |url=http://www.denso-wave.com/qrcode/qrfeature-e.html |title=QR Code features |publisher=Denso-Wave |accessdate=03-10-2011}}</ref>
Created by [[Toyota]] subsidiary [[Denso]] Wave in 1994<ref>{{cite book |title=Handbook of Augmented Reality |author=Borko Furht |url=http://books.google.com/books?id=fG8JUdrScsYC&lpg=PP1&dq=Handbook%20of%20Augmented%20Reality&pg=PA341 |page=341 |publisher=Springer |date=2011}}</ref> to track vehicles during the manufacturing process, the QR code is one of the most popular types of two-dimensional barcodes. It was designed to allow its contents to be decoded at high speed.<ref name=About2DCode>{{cite web |url=http://www.denso-wave.com/qrcode/aboutqr-e.html |title=QR Code – About 2D Code |publisher=Denso-Wave |accessdate=03-11-2011}}</ref>
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