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220 BCE
Block printing
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1200
Beggining of early modern
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1450
Printing press
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End of ealry modern period
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Beginning of Modern period
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Photographs
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Telegraph
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Silent Movies
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telephone
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First Wireless Communication
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Radio
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Movies with sound
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Paperback books
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Cable TV
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First Computer
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End of modern period
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Beginning of contemporary period
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Color Movies
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Transistor Radios
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Color TV
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Recording to tape
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A.I
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1st Satellite
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Email
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Laser Printers
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GPS
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Cellular Phones
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VCR
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Apple two computers
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3D Printing
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Internet
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Autonomous Vehicles
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DVD players
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MP3
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YouTube
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IPhone
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Ipad
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Present contemporary time period