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First packet-switching papers
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Merit Network founded
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ARPANET planning starts
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ARPANET carries its first packets
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Mark I network at NPL (UK)
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Network Information Center
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Tymnet packet-switched network
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Internet Assigned Numbers Authority (IANA) established
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CYCLADES network demonstrated
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X.25 protocol approved
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1981 Computer Science Network (CSNET)
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First .COM domain name registered
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World Wide Web (WWW)
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Full text web search engines
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eBay online auction and shopping
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Amazon.com online retailer
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Hotmail free web-based e-mail
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PayPal Internet payment system
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Google Search
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Wikipedia, the free encyclopedia
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2003 Skype Internet voice calls
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iTunes Store
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Facebook social networking site
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YouTube video sharing
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Google Earth virtual globe
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Twitter microblogging
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Google+ social networking
