Creepy or cool? Tracking your online friends offline

Social Radar aggregates information about people nearby using their shared location information, along with their social profiles—like Facebook, LinkedIn, Google Plus, Foursquare, Instagram and Twitter—to build a profile of everyone within a set distance chosen by the user.“In the next two to three years, we will see mass adoption of this technology on smartphones,” Chasen said. “It will become mainstream as people see how powerful it is.” Users can also set alerts so that they will be notified when a friend from a certain network is within a certain distance. For example, if you wanted to know when a person from your company was within one mile of you, you could set an alert to receive a message.

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