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https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8&safe=active&ssui=on#q=when%20did%20the%20typewriter%20get%20invented&safe=active&ssui=onIn 1714 an Englishman, Henry MIll, recieved the first patent for a typewriter.
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https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8&safe=active&ssui=on#q=when%20did%20the%20telephone%20invented&safe=active&ssui=onAlexander Graham Bells invented the telephone in 1876. Innovaters of the 20th century expanded telephone reach across continents. and oceans constantly skrinking the world by connecting citizens. By 2000 more then a billion people went wireless.
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http://blog.world-mysteries.com/strange-artifacts/prehistoric-cave-paintings/Around 30,000BC murals were painted on cave walls to tell stories of battles, hunts, and culture
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https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8&safe=active&ssui=on#q=when%20did%20the%20alphabet%20begin&safe=active&ssui=onA set of letters, or symbols in fixed order, used to represent basic sounds of language, letters from a to z . 1700BC
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http://www.internetsociety.org/internet/what-internet/history-internetIn 1973 global computer network emerged, providing variety of information and communication facilities. In 1962 the internet timeline begins and by 1992 the timeline ends .The internet has one million hosts and network bandit is twenty million times greater.
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https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8&safe=active&ssui=on#q=when+skype+started&safe=active&ssui=onSkype was founded in 2003 by Janis Friis and Niklas Zennstrom from Sweden. The first public beta version was released on August 29, 2003
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http://www.mediahistory.umn.edu/archive/sumeria.htmlSequence of letters, words, or symbols marked on paper or other surface, appeared around 2700BC
