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"Word Clouds.  We've seen them, we've done them, many of us wear the t-shirt.   It's a quick and easy way to create a graphic based upon text.  Essentially, the size of the word is based upon the frequency of the text.  Many teachers use word clouds to  have students analyse their writing or to create a poster/graphic based upon key words. But, suppose you worked a little mathematics into it! Jason Davies has actually worked a lot of mathematics into his Word Cloud Generator.  Just start with this little protractor at the bottom of the screen."