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At bottom, Google requires a competency that Netscape never needed: database management. Google isn't just a collection of software tools, it's a specialized database. Without the data, the tools are useless; without the

he popularity of the term Web 2.0, along with the increasing use of blogs, wikis, and social networking technologies, has led many in academia and business to coin a flurry of 2.0s,[25] including Library 2.0,[26] Social Work 2.0,[27] Enterprise 2.0, PR 2.0,[28] Classroom 2.0,[29] Publishing 2.0,[30] Medicine 2.0,[31] Telco 2.0, Travel 2.0, Government 2.0,[32] and even Porn 2.0.[33] Many of these 2.0s refer to Web 2.0 technologies as the source of the new version in their respective disciplines and areas. For example, in the Talis white paper "Library 2.0: The Challenge of Disruptive Innovation", Paul Miller argues

Blogs, wikis and RSS are often held up as exemplary manifestations of Web 2.0. A reader of a blog or a wiki is provided with tools to add a comment or even, in the case of the wiki, to edit the content. This is what we call the Read/Write web. Talis believes that Library 2.0 means harnessing this type of participation so that libraries can benefit from increasingly rich collaborative cataloging efforts, such as including contributions from partner libraries as well as adding rich enhancements, such as book jackets or movie files, to records from publishers and others.[34]

Here, Miller links Web 2.0 technologies and the culture of participation that they engender to the field of library science, supporting his claim that there is now a "Library 2.0". Many of the other proponents of new 2.0s mentioned here use similar methods.

The meaning of web 2.0 is role dependent, as Dennis D. McDonalds noted. For example, some use Web 2.0 to establish and maintain relationships through social networks, while some marketing managers might use this promising technology to "end-run traditionally unresponsive I.T. department[s]."[35]

There is a...