Imagine glasses that can read body language and offer suggestions about how you should respond, or goggles which can scan faces and call up criminal databases to find a real time match. These snazzy high tech specs aren't just science fiction props anymore, and researchers at the Massachusetts Institute of Technology are sure that their "social x-ray specs" are going to find a multitude of uses in society, from communicating more effectively with Autistic people to becoming human lie detectors and much more. Read all about it at NewScientist.
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(image courtesy of Ryan Heuser via Wikimedia Commons)
(BTW, the terrorist watch list already has more than a million people on it.)