Thursday, January 31, 2008

What is web 2.0 and what problem did it solve?

Web 1.0 is write by one and read by many kind of web sites. The content is managed by one person. www.yahoo.com

Web 2.0 websites create content from its users. Just like wikipedia and flickr.

Web 2.0 gives every user the power to publish his writings on the web. The content is very machine friendly and so the websites can be created without any human interaction.

Web 2.0 wants the users to have rich and fast UI experience just like he is using a desktop application. For this it uses AJAX technology. Example google maps.

There are basically 4 level of applications:
Level 3.0: Application only has online prescence; like craigs list, wikipedia.
Level 2.0: Application has offline prescence but grows online; flickr.
Level 1.0: Application operates offline but gains features online; google docs
Level 0.0: Application lives both online and offline; yahoo maps, google maps.
Non web applications: Email clients, Telephone.


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