Everybody is now talking about Web 2.0, a Web that is more dynamic, richer, more interactive, and, ultimately – much more exciting than anything we know now. It’s just human nature to look for unusual and new stuff. But, what does that mean for business applications?

Let’s look at Google Maps. Yes, we are all excited by Google Maps. It looks great. It is very interactive. And, most importantly, it behaves completely differently from what we expect to see in a “normal” browser. But, compared to any realistic business application – say something like trivial Internet banking – Google Maps is nothing. It supports just a few use cases compared to the hundreds or thousands of use cases for a typical business application.

How many input fields does it have? How many validation rules? How complex is the business process and page flow? Anybody could build Google Maps using any kind of technology, but business application developers face completely different challenges, challenges that are much more demanding!

What does Web 2.0 mean for the present world:
Web 2.0 is a phrase that is coined by O’Reilly Media in 2004, referring to the second generation Internet-based services. Second generation Internet services has become more and interactive and exiting to the present users. With out which it would have been impossible to construct such a small world. An enterprise want to improve there sales by providing users much user friendly and interactive websites.

Web 2.0 has been included with advanced technologies like AJAX, JSF, Visual Studio 2005, Web Parts Etc., these had made easy to build the things in its own manner. You can see a large number of examples in the present world which use these technologies for eg., Google Maps, Google Personalized Home, Shopping Websites with Drag and Drop feature and many more. Coming to the other side of building, which is security web 2.0 has improved a lot in providing a secure user interface, for eg., Yahoo has come up with a sign-in seal that Yahoo! will display on your computer. It it has also provided several advanced encryption and decryption techniques. Web components has become promising for the advancement Web 2.0. Building a web application has been made easy, instead of building it from the scratch using the components that are already built we can build a web application with all its interactive features in not time one of the examples of such technologies are Java Server Faces along with AJAX.

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