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  In 1943~1946, J. Mauchly and J.P. Eckert, Jr. people who's come from Pennsylvania University in America discovered the ENIAC. It was 30t havy. It's a first computer in the world.
[ENIAC, Electronic Numerical Integrator And Calculator] - 
  
  In 1949 Maurice Wilkes who is from Cambridge University discovered the coputer which is first neumann computer in the world. But this computer used decimal system same as Eniac.
[ EDSAC, Electronic Delay Storage Automatic Calculator ] - 
  
  In 1950, J. Mauchly and J.P. Eckert, Jr. discovered the EDVAC which computer is meliorate the ENIAC. It 's a first computer that used dinary system.
[EDVAC, Electronic Discrete Variable Automatic Computer] - 
  
  Apple Computer, Inc established on April 1, 1976 in Cupertino, Califonia by
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  In 1990 Microsoft releases windows 3.0 and they sell more than 3 milion copies.
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  In 1990, Tim berners-Lee invented a 'hypertext' system with Robert Cailliau at CERN it's the first start of the Internet that we are using now
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  Blog is started from America Justin Hall started to write a diary at the internet and it become popular and it became a blog
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  In 2001 December one group was made in Korea which is called Weblogin Korea, people who used blog first time
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  In October 28, 2003 Mark Zuckerberg who is the student of Harvard made the Facemash
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  Facemash changed into TheFaceBook.
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  On 2005 they spend $200,000 for buy a name and it's FaceBook.
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  On 2006 Amazon.com opens AWS
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  On January 5, 2006 Intel introduces the Intel Core and Viiv
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  On April 5, 2006 Apple announces Boot Cap, which will allow users to run Window XP on their computers
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  Odeo, Inc., Evan Williams and Noah Glass diecovered the Twitter and in 2006 March they start this service.
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  On July 27, 2006 the Intel Core 2 Extreme is first released.
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  Twitter could separate from Odeo, Inc. and get their own company which is Twitter, Inc.
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  On December 11, 2008 Google releases the first public version of Chrome.
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  On 2009 Google announces plans to acquire reCAPATCHA.
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  On July 7, 2009 Google announces the Google Chrom
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  Apple introduces the iPad on January 27, 2010
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  On February 9, 2010 Google Buzz is released.
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  Apple introduces the iPhone 4 on June 24, 2010
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  On October 13, 2010 first all-robotic surgery performed at Montreal General Hospital
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  on February 16, 2011 an IBM super computer beats the two best human Jeopardy players in a three day event with a score greater tnan the two human players combined.
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  On September 30, 2009 Microsoft releases MSE.
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  On November 5, 2009 Steve Jobs is named CEO of the decade by Fortune Magazine.
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  On July 15, 2006 Twitter is officially launched