If you're a Google Glass owner, or if you're superstealthy with a smartphone, there might soon be no need to actually ask her. Instead, you could just discreetly snap her picture and let an app called NameTag do the rest. The app, which is in beta testing for Google Glass and will soon be available for Android and iOS, uses facial-recognition technology to locate a person's online information — including social media profiles, pictures and even criminal records — with nothing more than a photograph.-



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