A Web 2.0 site may allow users to interact and collaborate with each other in a social media dialogue as creators of user-generated content in a virtual community, in contrast to websites where people are limited to the passive viewing of content. Examples of Web 2.0 include social networking sites, blogs, wikis, video sharing sites, hosted services, web applications, mashups and folksonomies.[3]
Whether Web 2.0 is substantively different from prior web technologies has been challenged by World Wide Web inventor Tim Berners-Lee, who describes the term as jargon.[4] His original vision of the Web was "a collaborative medium, a place where we [could] all meet and read and write".[5]