Wow, youtube took it down already. Luckily, I am a crazy person.
Input any text, and this website generates a ‘word cloud’. The words that are used most often are portrayed larger, and it creates a lovely design. You can also put in a url of a blog and see what happens. Here is an example (from this blog):
Incidentally, someone plugged in the VP debate, and Sarah Palin’s “biggest” word was… also. The word ‘McCain’ followed in a close second.