Here is a neat little service that lets you create word cloud by passing some text content to it.
Readwriteweb ran Obama’s inauguration speech through it and came up with the following word clouds. They also did the same for Bush and Clinton’s speech. It is interesting. Take a note of the shape of the word clouds.
The shape of Obama’s cloud is very much like a “cloud”, Bush’s cloud looks like a “golf club”, Clinton’s look like an “Arrow”, Reagan’s look like an “inverted golf club”
Bill Clinton’s Speech