EFF's Teaching Copyright curriculum was created to help teachers present the laws surrounding digital rights in a balanced way.
Teaching Copyright provides lessons and ideas for opening your classroom up to discussion, letting your students express their ideas and concerns, and then guiding your students toward an understanding of the boundaries of copyright law.
Cacoo is a diagram creation tool that runs in your web browser.
Multiple people can work together on the same diagram in real time.
Diagrams can be published directly to websites, wikis, and blogs.