While today we think of communications in a modern form, like telecommunications, fiber-optic lines, and satellites, it wasn't always this way. In fact, the telephone, widely regarded as the mother of all modern communications inventions, only came along in 1876. Going back further, writing is believed to have started 5000 years ago, symbols 30,000 years ago, and speech, the true mother of all communications, as far back as 100,000 years ago. Brown knows communications books.
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