The document discusses open data and its uses for campaigning. It defines different types of data like geo-data, service data, and social data. It provides examples of how open data can be used for research, crowd-sourcing, data journalism, mash-ups, and enabling actions. The document encourages exploring open data resources and using data to create change through campaigning. Attendees will work on action projects to develop demonstrations, plans, and resources for open data campaigning.