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QR Codes are a variation of the bar code – also known as the Universal Product Code or (UPC) – which has been used since the 1970s at retail checkout areas. Bar codes also are commonly used for inventory purposes.QR Codes are used widely in advertising. But they also can be used by online marketers to promote offers and to send traffic to web pages. Other uses for QR Codes include:Checking in on recommendation services like foursquareUsing QR codes in blogsPlaying a YouTube videoand many moreyou can also use the code for mobile tagging. This is when you capture the reading device’s phone number and automatically send an email or text message either right away or at some predetermined future time. Mobile tagging also can launch a sequence of email swipes designed to build excitement and encourage brand loyalty.These codes are used to capture the emails of your future customers in all media outlets.

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