Web 2.0 Definition?
Web 2.0 describes World Wide Web sites which is introduced in 2004 that emphasize user generated content, Interoperability and usability. It is also called second generation of World Wide Web. In Web 2.0 digit shows the version of program. It also describe websites that use technology beyond the static pages of sites. Web 2.0 sites are best place for promoting content and building High pr backlinks to your blog/site.