Wordle - Beautiful Word Clouds | Social media kitbag | Scoop.it
Recommended by @JohnEi of BetaTales:

"Say you have to write about the speech of your prime minister. Or you cover a new government report. And then you run into the typical challenge: How to illustrate the article in a good way?

"Have you considered using a word cloud? Wordle.net is a fascinating service that lets you take any word input, for instance the entire speech of the prime minister, and make a colorful word cloud. In this cloud words that are most frequently used will be bigger than others."

http://www.betatales.com/2011/03/16/ten-tools-to-improve-your-online-journalism/