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Telegraph
Samuel Morse -
"What hath God wrought"
Samuel Morse -
Telephone
Alexander Graham -
First super computers
Seymour Cray -
Technology advance
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First network link
ARPANET -
Personal computers
Ed Roberts -
First email system
Ray Tomlinson -
First internet service
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Worldwide web
Tim Berners-Lee -
First true social media SIX DEGREES
Andrew Weinreich -
Blogging
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MySpace/LinkedIn/Flickr
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Facebook
Mark Zuckerberg -
Twitter
Jack Dorsey, Noah Glass, Biz Stone, Evan Williams -
Instagram
Kevin Systrom