The site allows you to start with any word you want, opening up visual trees showing what words people usually type next. The lines connecting the words show how common each word combo is, allowing you to follow the popularity to the most common search phrases or going to some of the weirder ones. And at the end, of course, you get the results those people searching for these things end up with.
It's a fascinating little time-suck, if you're interested in just how people use Google and how everyone is just a little bit crazy. [What Do You Suggest? via Infosthetics via Brian Stelter]
