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The ever increasing functionality of the man-made devices in our lives — from our automobiles to our mobile phones to our clocks — has brought with it increasing complexity. We have to program our cars to get them working properly with our mobile phones; our home thermostats have capabilities requiring advanced skills and extensive efforts to reach; and our wristwatches — well, as they say in Brooklyn, "Fuhgeddaboudit." All this capability has brought with it incredible complexity.