In the 1840s and the
late 1870s the development of the telegraph and telephone made rapid
long-distance communications possible. Both media began in local areas and then
rapidly spread around nations accelerating the pace of social interaction,
migration, commerce, and government activities.
But the innovation in electronic communications continued to progress during the 1940s. The need to deliver signals to communities in remote mountain areas led to the early development of communication systems, which with the adoption of coaxial cable, and more recently fiber optic cable helped companies to deliver video, voice, and data services to customers, in a very accurate way on TVs and phones.
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