"I'm completely convinced that in five or 10 years you'll be able to walk into a room and know everyone's name, where everyone works and what people you know in common," Paul Davison, founder of Highlight, tells Businessweek of the ambient social networking app, which connects to Facebook and alerts users when they are in range of their online friends--or friends of friends. Highlight is one of many such apps, The Sydney Morning Herald reports, noting that an ambient social networking app "knows the locations of all its users" and, when users are close by, "checks for commonalities...or hidden social connections, like sharing a group of friends."
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