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The document outlines the history of communication technologies from 100,000 years ago to present day, starting with the development of speech 30,000 years ago, the use of symbols 5,000 years ago, and the invention of writing. Major milestones include the electrical telegraph in 1838, the transatlantic cable in 1855, the telephone in 1876, radio in 1896, television in 1927, and the internet in 1983, leading to modern technologies like mobile phones, satellite communication, email, social media, and voice over internet protocol.
