They're popping up almost everywhere today thanks to new technology and the ever increasing popularity of smartphones. Those black and white bar codes ...
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via Google Alerts - qr codes http://www.google.com/url?sa=X&q=http://www.sachem.ca/news/article/242846&ct=ga&cad=CAcQARgAIAAoATAAOABAqLaE_wRIAlAAWABiBWVuLVVT&cd=V9YBoAmFveA&usg=AFQjCNHvND_Ku_kPPX3Xpew-6ZJu7m5XRg
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