Web 2.0 refers to a new generation of web sites that let all of us better communicate, interact, share, create, and publish information.

Feature Web 2.0.

• It has rich Internet application techniques, optionally Ajax-based programming.
• In Web 2.0 has CSS (Cascading Style Sheet).
• It has semantically valid HTML markup and the use of micro formats.
• It has syndication and aggregation of data in RSS/Atom
• Web 2.0 uses wiki software either completely or partially.
• Web 2.0 uses open source software either completely or partially.
• It uses web log publishing.
• It has REST or XML Web service APIs.
• Web 2.0 has user-friendly content management systems (CMS) that are often open source, providing extensive website functionality at very low cost and reducing learning curves.
• Web 2.0 has optimized search engine capability for rational and largely used keywords

Great Resources for Web 2.0

Web 2.0 Video at Youtube.com
http://www.youtube.com/watch?v=nsa5ZTRJQ5w

What Is Web 2.0 by Tim O'Reilly
http://www.oreillynet.com/pub/a/oreilly/tim /news/2005/09/30/what-is-web-20.html

Design Patterns and Business Models for the Next Generation of Software. by Tim O'Reilly

Web 2.0 Expo
http://www.web2expo.com

Web 2.0 Expo, co-produced by CMP Technology and O'Reilly Media, is a conference and tradeshow for the rapidly growing ranks of designers and developers, product managers, entrepreneurs, VCs, marketers, and business strategists who are embracing the opportunities created by Web 2.0 technologies.

Web 2. Online Journal
http://www.web2journal.com

Web 2.0 at encyclopedia
http://en.wikipedia.org/wiki/Web_2

Image:Web20buzz.svg
http://en.wikipedia.org/wiki/Image:Web20buzz.svg
Image:Web 2.0 Map.svg
http://en.wikipedia.org/wiki/Image:Web_2.0_Map.svg