— Eric Enge and Stephan Spencer and Jessie Stricchiola and and Rand FishkinYou can help expedite the cheaters’ fall from grace by reporting them to Google at http://www.google.com/contact/spamreport.html, or better yet, via the dashboard in your Google Webmaster Tools account (where your report will carry more weight).
Replicated under Fair Use from The Art of SEO by Eric Enge and Stephan Spencer and Jessie Stricchiola and and Rand Fishkin.