The World Wide Web (abbreviated as WWW or W3,[3] commonly known as the web) is a system of interlinked hypertext documents accessed via the Internet. With a web browser, one can view web pages that may contain text, images, videos, and other multimedia and navigate between them viahyperlinks.
The web was developed between March 1989 and December 1990[4][5] and Berners-Lee continued refining it with input from the Internet community of the era until 1993.[6] Using concepts from his earlier hypertext systems such as ENQUIRE, British engineer Tim Berners-Lee, a computer scientistand at that time employee of the CERN, now Director of the World Wide Web Consortium (W3C), wrote a proposal in March 1989 for what would eventually become the World Wide Web.[1] The 1989 proposal was meant for a more effective CERN communication system but Berners-Lee eventually realised the concept could be implemented throughout the world.[7] At CERN, a European research organisation near Geneva straddling the border between France and Switzerland,[8] Berners-Lee and Belgian computer scientist Robert Cailliau proposed in 1990 to use hypertext "to link and access information of various kinds as a web of nodes in which the user can browse at will",[9] and Berners-Lee finished the first website in December that year.[10] Berners-Lee posted the project on the alt.hypertext newsgroup on 7 August 1991.[11]
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