This category covers sites and content defining, describing, and commenting on "Web 2.0" as a topic. It does not deal with any "Web 2.0" sites themselves. The "Web 2.0" concept was first used by O'Reilly Media in 2004. It refers to a perceived or proposed second generation of web-based services and sites that include collaboration and sharing among users, as contrasted with early (late 1990's) web sites' emphasis on content consumption by visitors. Examples include social networking sites, wikis, folksonomies, communication tools, and other web applications offering a rich user experience.
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O'Reilly : What Is Web 2.0
Tim O'Reilly aims to clarify just what is meant by Web 2.0, the term first coined at a conference brainstorming session in 2004. Follow-up articles are linked as well. (September 30, 2005)
About.com: What is Web 2.0
Provides an overview of the term Web 2.0 including the technologies powering it and the impact it has made on the evolution of the web.
developerWorks Interviews: Tim Berners-Lee
An interview with Tim Berners-Lee, pioneer of the World Wide Web, who views Web 2.0 as simply a continuing evolution of the system. (August 22, 2006)
Essay by entrepreneur, programmer, and investor Paul Graham on the three elements of Web 2.0: AJAX, democracy, and treating users well. (November 2005)
Web 2.0 Can Be Dangerous
A critical usability perspective on web 2.0 technologies and approaches. (December 17, 2007)
Web 2.0 Definition: TechEncyclopedia from TechWeb
An overview of the term Web 2.0, its history and significance in the evolution on the web.
Wikipedia: Web 2.0
Encyclopedia article, including background, overview, and criticisms of the Web 2.0 term and concept.
TechCrunch: The Death of Web 2.0
Citing Google Trends data, Robin Wauters discusses the decline of the term “Web 2.0” (February 14, 2009)
Google Webmaster Central Blog: A Spider's View of Web 2.0
Advice for websites and services using AJAX-driven, dynamic user interfaces, in order to be indexed properly by search engines. (November 06, 2007)
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