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QR codes keep pace as mobile proliferates

Those black-and-white bar-code squares on ads are a versatile way to enhance information and deliver it anywhere.
By Matt Wilson | Posted: March 4, 2011
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In the past year or so, you may have noticed the black-and-white, bar-code-style squares on ads and elsewhere popping up more and more, and wondered, “What are those all about?” Those are QR, or “quick response” codes, and they’re not necessarily new, says communication strategist Linda Pophal. “They've been around for quite a long time—originally developed in Japan by a Toyota subsidiary back in 1994 as an inventory-tracking tool,” she says. “But th read more...

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