It was Chrome.<p><a href="http:&#x2F;&#x2F;readwrite.com&#x2F;2012&#x2F;01&#x2F;03&#x2F;google_forced_to_punish_itself_for_chromes_seo_mis" rel="nofollow">http:&#x2F;&#x2F;readwrite.com&#x2F;2012&#x2F;01&#x2F;03&#x2F;google_forced_to_punish_itse...</a>