Web 2.0 is the term used to describe web technologies which allow users to create web content and collaborate on the web. The '2.0' refers to the notion that this is the second generation of the web. Some of the most common 2.0 tools are blogs, wikis, social networks, screencasts and video sharing. There are 2.0 tools which are developed specifically for use in education and others that can be used for educational purposes, but were not intended for use only by education.
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