What are some uses of concept maps?

The Univeristy of Wisconsin School of Education has an interesting site which lists 50 uses of concept maps. While they have in mind the use of Inspiration and Kidspiration, many of the uses can be applied to the other free software. Additionally, I strongly believe that you don't even need software to do deploy the idea of mapping out your ideas on a piece of paper.

1. Assist students in organizing information
2. Assist teachers in planning lessons/units/themes
3. Illustrate school's goals or plan for Parent-Teacher Organization
4. Illustrate instructional goal links to testing expectations
5. To show what each grade will be teaching and how units fit into the larger picture of curriculum for the whole school
6. Assess student learning
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Read on...

My prof asked me a question about concept mapping and how it contributes to critical thinking:
problematization - good and bad - compare