SpiderScribe - Online Idea Mapping

There are many online idea mapping sites available, but SpiderScribe is interesting in that users can add files like Word documents or PDF files, images, maps, and calendars in addition to typing in their own text.  Registration is required, but it is free.

Click here for their homepage.

Click here for a video demonstrating how to use the site.

And thanks again to Free Tech 4 Teachers.