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Telegraphy
Invented by Samuel Morse -
Telephones
Invented by Thomas Edison and Alexander Graham Bell -
Radio
Invented by Marconi -
Black and White TV
Invented by Philo Farnsworth -
Colour TV
Invented in the USA -
ARPANET
Beginning of Internet -
Commericalised Internet
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World Wide Web (WWW)
Invented by Tim Berners-Lee -
Search Engines
WebCrawler -
Facebook
Invented by Mark Zuckerberg