What is web 2.0 and how is it defined?

Web 2.0, a phrase coined by O'Reilly Media in 2004, refers to a perceived or proposed second generation of Internet-based services—such as social networking sites, wikis, communication tools, and folksonomies—that emphasize online collaboration and sharing among users. O'Reilly Media, in collaboration with MediaLive International, used the phrase as a title for a series of conferences, and since 2004 the phrase has been loosely adopted by some technical and marketing communities. Its exact meaning has been open to debate, and some experts, notably Tim Berners Lee, have questioned whether the term has meaning.

What is web 2.0 and how is it defined?
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Reply:Second version of web usage as defined as follows: "The concept of "Web 2.0" began with a conference brainstorming session between O'Reilly and MediaLive International."





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