The web seen as a platform for participation in which the consumer is also a producer. This way enabled by multiple software applications that supported user-generated content [UGC]. In Web2.0, user not only reads information from the Internet (which characterized web 1.0 so far), but also provides information through Internet to share with others. Currently we have many popular Web 2.0 interactive applications like Blog, Podcast, Mashup, Tag, RSS/Atom, Wiki, P2P, Moblog, Adsense and so on.
Chandler, Daniel - Munday, Rod (2011): Dictionary of Media and Communication. Oxford University Press. 459 p. See the Online Version
Kommunikációtudományi Nyitott Enciklopédia
Rajiv and Manohar Lal (2011): Web 3.0 in Education & Research. In: BVICAM's International Journal of Information Technology [0973-5658] vol:3 iss:2, New Delhi . 335 p.