This turned up in one of my trackers today:

(Where BLAHBLAHBLAH was the actual search term that referred to one of my pages.)

If you click the link you wind up on a search results page titled, "Searchbar powered by MetaCrawler."

I'm no expert at parasiteware, so can someone explain to me which of these parties is doing the dirty with WhenU, and if anyone here (other than me) is an innocent bystander?