Wednesday, April 14, 2010

Please explain what Web 2.0 & Ajax are and how new are they?

Web2.0 is a set of principles and practices that tie together a veritable solar system of sites that demonstrate some or all of those principles, at a varying distance from that core.





www.oreillynet.com/go/web2





en.wikipedia.org/wiki/Web_2











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Ajax, shorthand for Asynchronous JavaScript and XML, is a web development technique for creating interactive web applications. The intent is to make web pages feel more responsive by exchanging small amounts of data with the server behind the scenes, so that the entire web page does not have to be reloaded each time the user makes a change. This is meant to increase the web page's interactivity, speed, and usability.


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