Web 2.0 – Interactive And User Friendly
Web Technology is changing rapidly, as more and more new features are being added consistently. In the web 2.0 users can alter the content of website, which is not allowed in the previous non-interactive websites.
Web 2.0 is becoming increasingly popular day by day. This is because there is great use of wikis, blogs, and social networking technologies.

In the academic world and the people in business invent to spell 2.0s, consisting of Government 2.0, Travel 2.0, Library 2.0, Social Work 2.0, Enterprise 2.0, Publishing 2.0, Medicine 2.0, and Telco 2.0 . These 2.0 refers to Web 2.0 technologies. These are the new modified versions of respective specialized field.
Abode Flash and Abode Flex framework, Asynchronous JavaScript and XML (Ajax) and JavaScript/Ajax frameworks such as Dojo Toolkit, jQuery, Yahoo! UI Library and MooTools is typically used in Web 2.0 in the client-side /web browser technologies. JavaScript is used in Ajax programming to upload and download new data from the web server. In this process they do not undergo full page reload.
Now a day’s Document Object Model (DOM) is used to dynamically update the web pages. It is based on the new data received. Apart from it Flash and Ajax, JavaScript/Ajax frameworks are famous in creating Web 2.0 sites. The same technology used in the whole process which is Document Object Model, Ajax, and the JavaScript.
ASP, Ruby, JSP, Perl, Python, ColdFusion, and PHP is used in Web 2.0 on server side. The developer uses them to dynamically update the data. In this case they use information from database and files. There is also Web 3.0 which is all about personalization and semantic web.
The Web 2.0 is associated with web applications that assist in information sharing, user-centered design, collaboration on the world wide web and interoperability. Instances of Web 2.0 consists of hosted services, web-based communities, social networking sites, web applications, wikis, blogs, video-sharing sites, folksonomies , and mashups.