Web 2.0 (or Web 2) is an advanced Internet technology and a medium for the blogs, wikis, RSS and so many popular applications. The main goal of Web 2.0 is web creativity, interaction, safe communication, co-operation and increase of efficiency. This new technology brings new cultural and technical community in the web. There are free hosting services in this medium. In this new community and services there is social networking website, video sharing website, wiki, blog, etc.