Giant swathes of Google searches are now overrun with datafog spammers. Ehow, squidoo, hubpages, wikihow, buzzle, how-wiki, ezinearticles, bukisa, wisegeek, articlesnatch, healthblurbs, associatedcontent - all thee and thousands more domains filled with spam semi-automatically generated by legions of Indians for a few cents per page.
There's not one word of useful information on any of those domains. But apparently they serve a lot of ads for Google, so they don't get delisted.