In 1989, Tim Berners-Lee invented the World Wide Web so it would be an international community where Member organizations, full-time staff, and the public work together to develop Web standards. He coined the term “World Wide Web,” wrote the first World Wide Web server, “httpd,” He wrote the first version of the “HyperText Markup Language” (HTML), the document formatting language with the capability for hypertext links that became the primary publishing format for the Web.
Web 2.0 was introduced in 2004, and introduced a series of technological improvements. For example Blogs, these allow users to post thoughts and updates about their life on the Web. Wikis, sites like Wikipedia and others enable users from around the world to add and update online content. Social Networking such as Facebook, which allows users to communicate and interact over the internet.
What they do?
W3C mission is to lead the World Wide Web to its full potential by developing protocols and guidelines that ensure the growth of the Web they also define key parts of what makes the World Wide Web work.