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The Telegraph was invented.
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Pneumatic Post invented.
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Telephone was first created for communication.
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Radio was invented.
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Email was created.
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Arpanet and CompuServe was created.
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BBS and MUD1 was created.
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USENET was created.
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The Well
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listserv was created.
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Napster
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Wikipedia was created for the Internet.
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Facebook and MySpace was created.
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Flickr and Digg was created.
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YouTube was created for online users.
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Twitter was created.