Google Testing 2D Bar Codes on Print Ads for Cell Phones

Google is testing 2D bar codes for cell phone cameras on print ads. The plans is to make advertising more useful for readers and more measurable for advertisers. 2D barcodes allow readers to “click” on interesting print ads with their cellphones and seamlessly connect to relevant online content.To read 2D barcodes, a phone must have a camera (ideally with a close-focus or macro mode) and the

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