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Introduction PART ONE: FROM STATE-CONTROLLED COMMUNICATION TOMARKET-CONTROLLED COMMUNICATION (1790-1870) Introduction State-ControlledCommunication The Semaphore Telegraph Networks and ElectricityMarket-Controlled Communication The Electric Telegraph PART TWO: FAMILYCOMMUNICATION (1870-1930) Introduction Collection and Souvenir Photographyand the Gramophone From Trading in Goods to Trading in Souls The TelephoneThe Wireless Age Radio Broadcasting PART THREE: GLOBAL COMMUNICATION(1930-1990) Introduction Telephone Engineers' Technical Options The Triumphof Electronics Television and Computers Private Communication FinalReflections