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People are always confused about the WEB 2.0, most people consider that it is a new technology - development platform, for developing the new generation websites. It is confusion in their mind, WEB 2.0 is only a concept discovered at a conference session between O’Reilly and MediaLive International in year 2004.

It is a successor to traditional WWW (Collection of static pages with limited functionality). Most of the technology components of WEB 2.0 have belong to early days of the Web. Web 2.0 is a strong combination of several technologies and aims to enhance creativity, information sharing, user interaction, and innovation, rich desktop experience, thus making the application usage faster and simpler.

The technology infrastructure that WEB 2.0 includes several techniques such content syndication, Rich Internet Application Techniques, Inter site Communication Techniques, Mashups, and rich Server softwares.

• The Rich Internet Applications techniques produce the rich desktop experience, making the web pages more interactive and responsive. Web page can update alter the content of web page without reloading or refreshing. RIAs also provide dynamic effects and animations on web page making it more and more eye catching. Several technologies are evolved such as Style Sheets, DMTML, AJAX, Adobe Flash, Flex, Java, ActiveX, Silverlight providing rich user-experience in browser-based applications.
• Inter site Communication is the most important feature of WEB 2.0. It involves use of web apis (web services) and make the application highly distributed. SOAP and REST are most popular and common approaches to achieve.
• Mashup are the web applications that integrate the content from multiple resources at a single location. Web Services (API), public interfaces, RSS feeds are used to fetch content from different resources. Importing the photos from FLICKER using SOAP based API is meshup example.
• XML and RSS Content Syndication is an important WEB 2.0 feature. It uses XML to present site content in different formats such as RSS, RDF, and Atom. With RSS usage users not only hyper-link to page but subscribes to it, with notification occurs every time the content changes.

Conclusion

WEB 2.0 has revolutionized World Wide Web, making applications more interactive easy to use, simpler and stylish. The differing but complementary approaches provide Web 2.0 with information-storage, creation, and dissemination capabilities that go beyond what the public formerly expected of websites and its going to be a new experience altogether.