by Michael Bloch
http://www.tamingthebeast.netA melding of the terms crowd-sourcing and astro-turfing, crowdturfing is a threat to any SEO practitioner or site owner that tries to play by the rules when it comes to ranking well in search engines.
Google advises a conscious, systematic and sustained link buying for the purposes of manipulated rankings can get you into hot water. But the problem is they have to catch you first and buying links is getting cheaper thanks to crowdturfing.