“In Rio de Janeiro and Sao Paolo, police officers can decide whether someone is a criminal just by looking at them. Their glasses scan the features of a face, and match them against a database of criminal mugshots. A red light blinks if there's a match.
So far, tech like this is available mainly to governments, but that won't last. Facebook has recently turned on face recognition for its automatic photo tagging. AR software will likely soon interface with social networks, so that you will never again forget a name at a party - but anonymity in a crowd may become a thing of the past.”
New Scientist (subscription required)
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