domains auto-generating junk or derivative content should be detectable from both human annotation or automated means. If a site with low click through rates,

domains auto-generating junk or derivative content should be detectable from both human annotation or automated means. If a site with low click through rates, traffic and extreme volumes of text appears, it's worth a re-examination by people. In particular at search time, google has a vested interest in limiting both the number of links to a particular domain and the occurrence of content farm links when Wikipedia would suffice. Content farms are pretty detectable in any objective relevance annotation workflow.