What is Web.2.0?

Web 2.0 is the term given to represent a second generation of the World Wide Web, that is highly focused on the ability for people to collaborate and share the information in an online medium. In general, Web 2.0 can be referred as the current state of online technology characterized by greater user interactivity, and more pervasive internet connectivity. This term was recognized in 2004 after the traditional World Wide Web (referred to as Web 1.0). Likewise any software application, the new version of Web comes with new features and functionality that was not applicable in the traditional Web 1.0 technology. Some key elements of Web 2.0 are Blogs, Wikipedia, Social networking sites and other web based applications.