A video obtained by the Guardian reveals how an "extreme-scale analytics" system created by Raytheon, the world's fifth largest defence contractor, can gather vast amounts of information about people from websites including Facebook, Twitter and Foursquare. . . Everything DOES get tracked by "someone" today - and they're NOT in your address book. - This is only the "foot in the door" and only one company. - Privacy today is fast becoming only a "quaint term" or even extinct, and for some reason folks don't have a problem with it.