This document discusses the key aspects of Web 2.0, including that it allows everyone to create content, everything operates as a web application, content is shared freely, and discussions take place everywhere. It provides examples of websites like Irrepressible.info that empower online campaigning and TN2020.net that uses tools like Twitter, video, and mashups. The document recommends making yourself relevant by blogging and using social media, sharing content openly, inviting collaboration, and working iteratively with an open mindset.