Visualize word freqency

I came across a visualization website that can transform a blog’s text (or the text of any url) into a visual display. takes a text and churns out a graphic wherein each word is sized according to frequency. Then it arranges all the words together in a  vaguely oval shape which describes how big the dataset is. The squarer the picture, the greater the number of words. Here’s the wordle for this blog: ..and just for fun, here’s the wordle for the first page of the wiki: