An article from Wired was recently published about how porn has joined the “blogging” waggon. Owners of porn sites have started blogs and in doing so, they exploit Google’s ranking system.

Yet because anyone can create an unlimited number of free Blogspot blogs, and because Google’s page-ranking system is predisposed to give high rankings to widely linked blogs, Google’s own technology is a sitting duck for being exploited by outfits like CyberQuest. - Wired

Exactly what part of the internet isn’t exploited by either SPAM or Porn?