The barcode-like matrix can be scanned by mobile devices directing the user to a URL or telephone number, for example The barcode-like matrix can be scanned by mobile devices directing the user to a URL or telephone number, for example

3. QR codes can be used for calls to action
You can link the codes to how-to videos, stories about a product, launching a web site, launching a pre-filled tweet, watching a trailer, audio commentaries. You can program the ode to deliver a text message with a promo code to get a discount or you can have ‘call us’ and ‘email us’ messages, where people scan the code and automatically call or email. You can also link the QR code to a landing page where people exchange their contact information for a treat, or a discount.

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