The document summarizes the evolution of the World Wide Web. Web 1.0 (before 1999) was read-only, with limited interaction between users and websites. Web 2.0 (beginning in 1999) enabled users to actively interact, contribute, blog and share content more easily. Web 3.0 aims to make the web more intelligent through contextual, personalized search and 3D capabilities to address the information overload of Web 2.0.