Through my job as a digital consultant I came across QR codes, which is the initialism of Quick Response, a few times. A QR Code is a matrix barcode (or two-dimensional code), readable by QR scanners, mobile phones with camera, and smartphones. The code consists of black modules arranged in a square pattern on white background and the information encoded can contain website URL’s, phone numbers, e-mail addresses, and other personal messages or data.

QR Codes was created by Toyota subsidiary Denso-Wave in 1994 and the QR code is one of the most popular types of two-dimensional barcodes and it's widely used in primarily Japan and Asia - but because of the rising use of smartphones and mobile phones with integrated camera the use and potential with QR codes or mobile tags are to be seen everywhere in the public space, advertising campaigns, events, museums, super markets and so on. The potential is huge - and eg. Calvin Klein has already used QR codes in a marketing campaign. QR codes can be used both in offline or online marketing campaigns - I guess the only barrier is your creativity.

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