What is web 2.0?

Web 1.0 was the first incarnation of the world wide web, where information was fed in a one-way, asynchronous stream to internet users. Web 2.0 is all about participation, where there is a synchronous flow of information between the user and the internet.Tools such as blogs and wikis allow users to upload and share information online. Sites such as YouTube and Flickr permit people to load and share content. Social networks including Facebook and LinkedIn encourage online interaction, and can be used as a forum from which to extract the so-called...

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