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Commercial printing at London’s Grub Street
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Emergence of Photography in 1820s
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Telegraph invented 1830s
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Telegraph use got popular 1840s
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Completion of Atlantic Cable in 1863
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Use of photographs become popular 1877
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Radio was invented in 1920
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Television was invented in 1927
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Motion Pictures gained popularity 1930
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Successful launching of communications satellites into low earth orbit
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Explosive growth in online services 1990s