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ARPANET was a computer network created on behalf of the United States Department of Defense (DOD) to be used as a means of communication between different academic and state institutions.

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The Man Who Invented E-Mail
In late 1971, engineer Ray Tomlinson brought together two concepts, digital messaging and computer interconnection, and created a revolution in communications.

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In 1975 ARPANET was transferred by DARPA to the domain of the U.S. Defense Communications Agency as an operational network. DARPA has been involved for almost two decades with the technological development under whose orbit the Internet has developed.

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It is a decentralized set of interconnected communication networks that use the TCP/IP family of protocols, which ensures that the heterogeneous physical networks that compose it constitute a single logical network of global reach.

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On January 1, 1983, the migration from ARPANET to TCP/IP was completed, permanently activating these new protocols, which are used until today to run the Internet, thus allowing the birth of the modern network.

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The DNS was created The Domain Name System (DNS) is the essential naming system we use for the internet and gives the system its structure. Given the rapid growth of the network, the DNS was created by Paul Mockapetris in November 1983 as a distributed directory service, because using a single hostname registry was almost impossible.

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1989-The first ISP (Internet Service Provider)     

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1989-The first ISP (Internet Service Provider)     

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Commercial ISP were the ones that eventually lowered prices enough so that students and other schools could participate in the new fields of education and research.

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In 1990, ARPANET had been overtaken and replaced by new network technologies, and the project was shut down.

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In 1991 the first webcam was developed in the Cambridge computer lab, all thanks to a coffee maker, coffee-addicted students and scientists and "a crazy afternoon idea".

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1992-The first webcam called XCam went on sale

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1992-The first webcam called XCam went on sale

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In 1992 the first webcam called XCam went on sale. The basic installation of a webcam consists of a digital camera connected to a computer, usually via the USB port.

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On April 22, 1993, a group of students from the University of Illinois created a program to obtain information from public computer networks that was simpler and more enjoyable to use than the previous ones. Mosaic, with its graphical interface, became the first popular browser and initiated the expansion of the Internet.

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Google is an American company founded in September 1998, whose main product is a search engine created by Larry Page and Sergey Brin. This term is often used as a synonym for the world's most widely used search engine. The most prominent feature of Google as a search engine is the ease of use.