The document discusses the concept of Web 2.0 and Enterprise 2.0. It notes that Web 2.0 refers to a set of technologies and practices that allow users to connect and share information online more easily. These include tagging, wikis, blogs and other social media tools. The document also lists many different types of social media and collaboration tools used in Enterprise 2.0, including blogs, wikis, social networking and more. It stresses that technology is only part of the solution and change management is also important when adopting these new ways of working.