If you search for the Web design sites these days, you are unable to help but come across references to Web 2.0. This is one of the new and innovative change that is sweeping the Web and enabling users to have interaction with the data easily available there in ways we never dreamed possible 10 years ago. But is this truly the condition? How much of Web 2.0 is just marketing buzz and exactly how much of it is actually new?Initially in 2004, Web 2.0 was identified as this idea of the "Web as a platform". The idea was such that instead of thinking of the Web as a place where web browsers viewed data by means of small windows on the user's screens, the Web was actually the program that allowed users to get things done. But this truly didn't catch on. In fact, it's relatively difficult to understand what that actually means.
Later on people began to thinking of Web 2.0 as the programming tools used to build the Web pages and considered as a "cutting edge Web 2.0". which included AJAX and SOAP and other XML and JavaScript applications which facilitate the users to actually interact with the Web pages and the data just like an application on your desktop.Now Web 2.0 is really commencing to be a combination of the technology (like AJAX) permitting the customers to actually interact with the data. Web 2.0 is starting to mean the situation where inexperienced writers and developers now are able to think for the applications and Web sites that get more credibility than conventional news sources and software companies. So we can say that Web 2.0 is the powerful combination of JavaScript tools like AJAX permitting users to contribute to and interact with the data that we are all working with.
AJAX is not new, AJAX ,JavaScript and XML are all close to nearly as long as HTML and being used both for the good effect. As Paul Graham said, "Basically, what 'Ajax' means is 'JavaScript now works.'" This means that Web apps can now be created which communicate with the site visitors the way we have customized the desktop applications. On the other hand ,the lag and delay is as a result of server calls is mitigated by a lot of that data being delivered asynchronously via JavaScript calls.Talking about Democracy and Community. Democracy and Community ,these have both been around in limited formats for a long time on the Web.
What exactly makes them interesting is when they are merged with the applications that are achievable with AJAX and more modern browsers. Web pages facilitate the users by the capability to express themselves like no other time in past. One another important thing is the weblogs ,which made an easy thing more easier. Web Blogger was first set up, as just an easy-to-use FTP client for Web pages. Now they permit many users to get online and convey their views.But it's not just putting contents on-line. in case of Web 2.0 kind of sites, it is possible to mix data from different sources, even sources that you don't own control or even exist, and change that into content that can be usable for the people .
For example, an idea for a Web 2.0 site may be combination of a Flicker tagged gallery of service with actual reviews that people have written about those services and a connection to Google Maps to locate the services in particular area. The Web site which put this up might not have any of the data for the reviews, none of the photos from Flicker, and only an interface to allow people to identify where they are or where they are going and either read reviews of local services(ex. an restaurant) or also post a blogged review and attach it to those already tagged.We are already using some application that is a form of Web 2.0. Some of the these are:* Gmail * Google Maps * Flickr * Del.icio.us * Tecnorati * Digg
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