We all know that you can get some funny/interesting responses by typing the first part of a question into a major search engine's search box and letting it suggest the remainder. The NYT has gone so far as to investigate those suggestions themselves. I particularly enjoyed their description of search engines as "modern confessionals:"
This labor-saving device — part fortuneteller, part shrink? — has opened a window into our collective soul. With millions of people pouring their hearts into this modern-day confessional, we get a direct, if mysterious, glimpse into the heads of our fellow Web surfers.
And some nice visualizations of the questions people are asking don't hurt, either:
I'd love to see an interactive tool for creating these diagrams.