The document discusses Web 2.0, comparing it to Web 1.0. Web 1.0 was focused on companies providing static content to users, while Web 2.0 emphasizes user-generated content through blogs and tags. Key features of Web 2.0 include user-provided content, interconnectivity of data provided by everyone, and interactive technologies like AJAX. The document provides sources to learn more about the definitions and differences between Web 1.0, 2.0, and the emerging Web 3.0.