What is a master switch?
What is a master switch? From Longman Dictionary of Contemporary English ˈmaster ˌswitch noun [countable] the switch that controls the supply of electricity to the whole of a building or areaExamples from the Corpusmaster switch• The lights were obviously controlled from some master switch for they went on without a sound. What does Tim Wu the author of the Master Switch refer to as the cycle? At the heart of The Master Switch is what Wu Refers to as “The Cycle” (below passage is from the Introduction): “Every few decades, a new communications technology appears, bright with promise and possibility....