Thought this might be a fun thread if other's want to add to it.. funny Adsense ad juxtapositions. I just posted this blog and apparently Adsense equates "waterboarding" with "premium water filters" (see Google ad): Anyone got more to add?
You have to know what Juxtapositio means first: http://www.google.ca/search?hl=en&q=define:juxtaposition&meta= Then read the title & ad