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History of Communication
100,000Yearsago-Speech
30,000Yearsago-symbols
5,000Yearsago-writing
prehistoric-smokesignals
6thcenturybce-mail
5thcenturybce-pigeons
1838-electricaltelegraph
1855-firsttransatlanticcable
1876-telephone
1896-radio
1927-tv
1969-computernetworking
1973-cellular
1979-inmarsat(ship-to-shoresat)
1982-smtpemail
1983-internet
1998-mobilesatellitehandheld
2003-voip(skype)|Linkedinlaunched
1995-IRc/mIRC
1990-instantmessaging(ICQ)
1971-firstemail
2004-facebook
2002-friendsteropens
2003-myspace/linkedin/itunes

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