This document discusses social networking, open source software, and the web as a platform. It defines social networking as sites that allow users to connect with others and share content. Examples provided are MySpace, Facebook, and Eduspaces. Open source software is described as systems that improve as more people use and contribute to them. The document outlines tasks for students to set up accounts on collaborative writing and mind mapping sites, update their bookmarks, and write a review of a web 2.0 site to share online. Suggested references on open source, Google Docs, and Facebook are also provided.