According to Wikipedia Web 2.0” refers to the second generation of web development and web design that facilitates information sahring, interoperability, user-centered design and collaboration on the World Wide Web. The advent of Web 2.0 led to the development and evolution of web-based communities, hosted services, and web applications. Examples include social-networking sites, video-sharing sites, wikis, blogs, mashups and folksonomies.
In general when we mention Web 2.0, we refer to a chain of applications and internet pages that use a kind of group intelligence to serve an interactive service, giving the user an autonomic control around his documents.
Tim O´Reilly devided it in four set of levels:
-level 3:applications that exist only on the internet to help users with an inter-human connection between them. Here we have web pages like Ebay, Wikipedia…
-level 2:some applications that can either be used offline or online but that gains when ist used online.Examples:Flirck
-level 1:applications that can be either used online or offline but gains features online. Examples: Google Docs,iTunes,…
-level 0:applications that work online as well as offline some examles of this are:yahoo, google maps,…
- Web 2.0. (2009, August 25). In Wikipedia, The Free Encyclopedia. Retrieved 15:45, August 25, 2009, from http://en.wikipedia.org/w/index.php?title=Web_2.0&oldid=309724425
- What is the web 2.0(2009,August 25). O´Reilly media. Retrieved 15:46, August 25,2009 from http://www.oreillynet.com/pub/a/oreilly/tim/news/2005/09/30/what-is-web-20.html
- Web 2.0 The Machine is Us/ing Us (2009, August 25). Youtube. Retrieved 15.46 August 25, 2009, from http://www.youtube.com/watch?v=6gmP4nk0EOE