An anonymous reader writes in with a story that raises the issue of how public anonymity is quickly disappearing thanks to facial recognition technology. "NameTag, an app built for Google Glass by a company called FacialNetwork.com, offers a face scanner for encounters with strangers. You see somebody on the sidewalk and, slipping on your high-tech spectacles, select the app. Snap a photo of a passerby, then wait a minute as the image is sent up to the company's database and a match is hunted down. The results load in front of your left eye, a selection of personal details that might include someone's name, occupation, Facebook and/or Twitter profile, and, conveniently, whether there's a corresponding entry in the national sex-offender registry."
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