Mindmapping is supposed to be clear, isn't it?

I was looking at the examples of the mindmapping exercises that previous Intro to IT classes had completed and there were many that were too busy for me to want to look at.  I recently had to get glasses so this is an issue for me personally, but it may not affect a younger generation.  I enjoy  the clean lines of Facebook  and find them preferable to the busyness of Myspace that my younger students frequent.

This image is from the Worst PowerPoint Presentation

I teach my students that when they create PowerPoints, that they should use images effectively and no more than 2 per page.  The type should be 30 points or more.  I was impressed with the inventiveness and creativity of many of the IT History projects, but there was just so much going on that the message of the history of IT was lost. It would have been helpful to  have the guidance of the presenter to take one through them.
I started looking at various mindmaps on the web to see what I liked and what I disliked.  I loved this simple drawing of the life of William Shakespeare, but it was not interactive.  Another one I enjoyed was the ICT/Glow and Learning styles Mind map, again, it was not interactive.  I did eventually find a few that I thought were useful and interactive using free software called Freemind. This mindmap on Ubuntu was compelling, I liked the mouseover effects. It reminded me of  annotating The Heart of Darkness for our Litt. Reaseach class with Professor Honecker's class.  It will be interesting for me to see how busy our group project turns out...