a web-centric concept formulated by Netscape.com CEO Jason Calacanis as a follow-up to Tim O'Reilly's Web 2.0 vision. Its essence is that Web 2.0 (which in turn is a rethinking of Web 1.0) implies ensuring that information on the Web is understood primarily by a person, and Web 3.0 will provide interaction and understanding of data on the Web by computer systems. The definition was posted on Calacanis' personal blog[1] on March 10, 2007. Calacanis noted that Web 2.0 made it pos...