Web 2.0

Web 2.0 is commonly associated with web applications that facilitate interactive information sharing, interoperability, user centred design and collaboration on the world wide web. Web 2.0 site allows its users to interact with each other as contributions to the website's content, in contrast to websites where users are limited to the passive viewing of information tht is provided to them. Examples of web 2.0 include web based communities, hosted services, web applications, social networking sites, video sharing sites, wikis, blogs, mashups and folksonomies. The popularity of the term web 2.0, along with the increasing use of blog, wikis, and social networking technologies, has led many in academia and business to coin a flurry of 2.0s, including Library 2.0, Social Worj 2.0, Enterprise 2.0, Classroom 2.0, Publishing 2.0, Medicine 2.0, Telco 2.0, Travel 2.0, Government 2.0 and many more. Many of these 2.0s refer to Web 2.0 technologies as the version in their respective disciplines and areas. Blogs, wikis ans RSS are often held up as exemplary menifestations on Web 2.0. A reader of blog of wiki is provided with tools to add a comment or even, in the case of the wiki, to edit the content. This is what we call the Read/Write web. Web 2.0 websites allow users to do more tjan just retrieve information. User can own the data on a Web 2.o site and exercise control over the data and these sites have an Architecture of participation that may encourages users to add value to the application as thay use it.