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Here is a TED 2009 demo of MIT's "Sixth Sense" wearable computer. It's like Minority Report but operates on any wall. It's features include visual overlays of social profiles for the person you're talking with. :)

http://www.ted.com/talks/pattie_maes_demos_the_sixth_sense.h...

Leading to a whole new level of social awkwardness:

"Hi...uh..."

puts on glasses

"...Bob."

That would be amazing, and really useful at tech conferences.

One could imagine something like Klout running in the background and telling you who's important, who has similar interest to you, etc... The social implications are mind blowing.

That's a big idea... Although I would feel a bit bad bringing the online social hierarchy / totem pole into the real world. We already care _too_ much about Klout and Karma scores, the last thing we need is twitter gods parting the seas at tech conferences.

At long last, I can see how much Whuffie people have!