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Johannes Gutenberg devised movable metal type, permitting mass production of printed materials.
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Johannes Gutenberg printed the first of his Bibles using movable type.
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Ben Harris printed Publick Occurrences, the first newspaper in the English colonies.
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Andrew Bradford printed American Magazine and Benjamin Franklin printed General Magazine, the first magazine in the English colonies.
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Thomas Edison introduced the phonograph, which could record and play back sound.
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William Dickson devised the motion picture camera.
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Guglielmo Marconi transmitted the first message by radio wave.
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Philo Farnsworth invented the tube that picked up moving images for live transmission.
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The U.S. Defense Department established the computer network that became the Internet.
