its a QR (quick respond) code, its made by a QR generator. you paste in the URL of a website and the generators do the rest. you can scan them wit a QR app on your iphone or android phone it will automatic start the phones web-browser and go to the site
There is a free app for downloading barcodes. When it runs, aim the camera at the barcode, and when it reads, it will direct your browser to the web address programmed in the barcode.
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