Web 2.0 Coined by Darcy DiNucci in 1999. Resurface in 2003. 2004,O'Reilly Media and MediaLive hosted the first Web 2.0 conference. Examples of Web 2.0 include web-based communities, hosted services,web applications,social-networking sites,video-sharing sites,wikis,blogs,mashups and folksonomies.A Web 2.0 site allows its users to interact with other users or to change website content,in contrast to non-interactive websites where users are limited to the passive viewing of information that is provided to them. Ajax/Flash/Flex etc.Web 2.0  Coined by Darcy DiNucci in 1999.  Resurface in 2003.  2004, O'Reilly Media and MediaLive hosted the first Web 2.0 conference.  Examples of Web 2.0 include web-based communities, hosted services, web applications, social-networking sites, video-sharing sites, wikis, blogs, mashups and folksonomies. A Web 2.0 site allows its users to interact with other users or to change website content, in contrast to non-interactive websites where users are limited to the passive viewing of information that is provided to them.  Ajax/Flash/Flex etc