I think the key is to search like you don't know nothing about SEO when you are looking for things that doesn't matter to much, look.
http://www.google.com/search?hl=en&l...%27re+thinking
I type the search like I was singing the song and the lyrics appear in #2 LOL
I don't know, just a thought, the thing is that maybe we are helping those sites that are no targeting for a good SEO to be good.