Just looking at tag clouds (or weighted lists) to see if they could be useful as a teaching tool. A tag cloud is set of related tags with the size of each tag corresponding to its frequency. Typical tag clouds have between 50-100 tags. Also, sometimes tag clouds can be interactive, the tags can be hyperlinks allowing the user to drill down on the data.
I am working on creating tag clouds from my lecture notes to see what the most commonly used words in my lectures are, and compare them to my idea of what I think I am emphasising in my lectures, to see if there is any kind of conceptual drift.
Some interesting examples of tag clouds include;
http://www.makecloud.com/
http://www.tagcloud-generator.com/
http://services.alphaworks.ibm.com/manyeyes/page/Tag_Cloud.html
http://tagcloud.oclc.org/tagcloud/TagCloudDemo
http://www.artviper.net/texttagcloud/
http://wordle.net/
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