Introduction
Web 1.0 was the static. The word static refers rigid, on such condition where only developer or creator can create web content and have permission to upload them. On this version of web user only reads or watch the content which is uploaded by developer.
But web 2.0 version is known as dynamic version of web. "It is also taken as 2nd phase on web evolution. web 2.0 is called wisdom web, people centric web, participative and more interactive and collaborative version." (Murugan). In this version user can interact with the developer of the web content by posting comment, emoji ie. thumbs up, dislike, smiley face etc. On web 2.0 user can create blog, upload video, image and other content on web. The suitable example of web 20. is applications like Facebook, Twitter, YouTube, Online news etc.
Search
User can search necessary content by using keyword. like music, films, method of cooking...... etc.
Links to other websites
User can connect various information sources together by creating link on web and share them among his/her friends, neighbor etc.
Authoring
People can create and upload contents for the collaborative work like: project work on NOU, responding moodel etc. They can extend, undo, redo, comment on each other's contents.
Tags
User can use tags to facilitate searching for categorized content.
Extension
User can use create extensions for web based application platform like face book extension, chrome extension etc.