Tagxedo

Tagxedo (http://www.tagxedo.com/), much like Wordle, is an online tool for creating word clouds. Word clouds are images in which the most frequent words of a selected text appear larger and less frequent words appear smaller. Unlike Wordle, Tagxedo allows users to develop word clouds in the shape of specific images. For example, here is a Tagxedo for the Declaration of Independence in the shape of a U.S. map: