Web 2.0 is not “an AJAX” application; although it may use AJAX.
Web 2.0 is not a desktop application ported to the web; although it could be a new
Web Application that renders an existing desktop application outdated, or creates a completely new type of application (Flick’R).
Web 2.0 is not “Social Networking”; although I do believe Social Networking is a cornerstone of Web 2.0.
Web 2.0 is only Web 2.0 when it accomplishes all of the above, and keeps in mind that, “I cannot be trusted with my data”.
An AJAX site that doesn’t manage my data, and backups of that data, is not Web 2.0.
A Web Application that does not solve my data management problems is not Web 2.0.
A Social Networking application that doesn’t provide for management of my data and selective sharing of my data is not a Web 2.0 application.
What is really surprising is that no Indian Company seems to be willing to take the plunge with Web 2.0. The potential is immense, opportunities are aplenty, and yet we haven't really heard of any company being seriously interested in it.
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