QR codes, also known as quick response codes, are square-shaped two-dimensional black & white barcodes that contain information that can quickly direct mobile users to a web page, social networking site or phone number where they can learn more about a particular product, object or place. QR codes can be found on product labels, newspapers, magazines, billboards or clothing.
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QRcodesArgentina 3 months ago
CR CODE descripcion
EuroNetworks 8 months ago