This module discusses the concept of Web 2.0 and how it allows for collaboration and sharing information online. It outlines various Web 2.0 tools for educators like blogs, wikis and social networks. It also summarizes Thomas Friedman's book "The World is Flat" which discusses how globalization and technology have leveled the global playing field. Finally, it provides an overview of blogging tools and how they can be used for e-learning by allowing learners to document experiences.