"Web 2.0 defines a newer incarnation of the World Wide Web typified by the transition from the typical website hosting HTML/XHTML pages, to a platform that provides a point of presence (sometimes known as a Web portal), from which any of the following interactions may occur:

1. Syndication of content using XML based formats such as RSS, RDF, Atom, and others

2. Aggregation of content published using XML based formats such as RSS, RDF, Atom, and others

3. Publishing of invocation endpoints for XML based Web services (these may be of the SOAP/WSDL/WS-* variety of RESTian XML-RPC)

4. Conventional publishing of HTML/XHTML documents

5. Exposure of WebDAV based resources and collections"