QR codes used to help to find missing children Milk cartons and posters displaying the image of missing children have just gone much more high tech with the addition of QR codes that can be scanned using mobile devices such as smartphones and tablets. Though the print ads still serve their purpose to help to reach a broad audience of people and find out if a missing child has been spotted, they are very limited in the amount of information that they can provide. With the addition of the…
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