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23 of the coolest QR codes

Brand: Melissa Louie
Linked to: A Google search with the query "QR Tetris" by Google Webmaster Melissa Louie.
Credit: Melissa Louie


Last updated November 02 2011: 11:37 AM ET
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Does anybody actually use QR codes?

From the storefronts of high-end boutiques to the billboards in Times Square, the black and white codes are nearly ubiquitous. Marketers love them but are they really getting much out of them?

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