Web 2.0 is one of the promising technologies of recent times. It is a second generation web based community and hosts different types of services such as wikis, social-networking sites, social classification, social tagging, social indexing and collaborative tagging. The main objective of these services is to assist in creativity, sharing between users and collaboration. The term, Web 2.0, got recognition in the conference which was held in the year 2004. According to Tim O'Reilly, Web 2.0 brought a business revolution in the computer industry. This revolution was brought about by the Internet. The internet acted as the platform and Web 2.0 also helps to understand the rules for success in this new age platform. The term has become very popular in recent times and it has been given rise to criticism.
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