The document discusses the history and evolution of the internet and web tools for educational use. It began in the 1970s as a military communication system, became more academic in the 1980s, and commercial in the 1990s with the introduction of the World Wide Web. Web 2.0, coined in 2004, refers to more interactive online tools that are free and browser-based for creating and sharing content. Examples of Web 2.0 tools described include blogs, wikis, social bookmarking, file sharing, photo sharing, video sharing, and other collaborative applications that can be used in classroom learning.