By Erica Ogg and James Martin, 9 November 2009 14:55
Another project currently being cooked up in AT&T's Labs, this is called Air Graffiti. AT&T's version of augmented reality, it allows users to virtually tag places with tips, web links, sales information, personal notes, and more. When people then look at digital maps they can see the information for places tagged as they walk down the street. The carrier is aiming to build the back end of this platform and sell it to companies that want to make their own location-based services.
Photo credit: James Martin/CNET
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