<P> Many formal standards and other technical specifications and software define the operation of different aspects of the World Wide Web, the Internet, and computer information exchange . Many of the documents are the work of the World Wide Web Consortium (W3C), headed by Berners - Lee, but some are produced by the Internet Engineering Task Force (IETF) and other organisations . </P> <P> Usually, when web standards are discussed, the following publications are seen as foundational: </P> <Ul> <Li> Recommendations for markup languages, especially HTML and XHTML, from the W3C . These define the structure and interpretation of hypertext documents . </Li> <Li> Recommendations for stylesheets, especially CSS, from the W3C . </Li> <Li> Standards for ECMAScript (usually in the form of JavaScript), from Ecma International . </Li> <Li> Recommendations for the Document Object Model, from W3C . </Li> </Ul> <Li> Recommendations for markup languages, especially HTML and XHTML, from the W3C . These define the structure and interpretation of hypertext documents . </Li>

When was the world wide web created and how