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May 11, 2015 07:22 am PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/jMZr9PP2I5g/world-full-of-useless-placebo.html
World full of useless placebobuttons
Everyone suspects that buttons on pedestrian crossings, elevators, train doors, etc., do nothing. They are right. The BBC's Chris Baraniuk reports on the buttons that lieand the power of the illusion of control.
Read the restOriginal Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/jMZr9PP2I5g/world-full-of-useless-placebo.html
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