How to Crack the QR Code for Mobile Marketing Poorly placed or ineffective QR codes can lead to consumer frustration. Here's how to use them to enhance--not embarrass--your brand.
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I have a love-hate relationship with QR (quick response) codes. These boxy symbols--which you see lurking about in stores and publications and on product packaging, business cards, ticket stubs, direct mail--function as a kind of bar code on steroids, allowing people who read them with a smartphone app to visit websites, access discounts or otherwise engage with a brand.