Web 1.0 applications typically consist of browsing and searching on the Internet, essentially a reading operation. In contrast, Web 2.0 applications, such as wikis and weblogs, allow users to read and also to write to the Web. Building on the read/write applications that have emerged in rich, interactive, user-friendly application platform, Web 2.0 has essentially transformed the Web from a Web page publishing venue to a global network community where every user is invited to create content. The Web’s shift from a tool of reference to one of collaboration, from passive to active, from consumer- to participant-oriented, allows teachers to use these tools to empower students and create exciting new learning opportunities.