Comments for PPC vs. SEO: Which one's the smarter investment? at http://www.danconia.com , comment 1 to 2 out of 2 comments http://www.danconia.com Tue, 07 Feb 2012 14:25:43 +0100 FeedCreator 1.7.3 http://www.danconia.com/pdf/ppc-vs-seo-which-ones-the-smarter-investment.html#comment-7 I thought this was interesting... http://www.reuters.com/article/pressRelease/idUS148005+28-Jan-2009+BW20090128 Click Fraud Traffic from Botnets Breaks New Barrier Growing to 31.4 Percent. - Paul Tue, 09 Jun 2009 16:51:24 +0100 http://www.danconia.com/pdf/ppc-vs-seo-which-ones-the-smarter-investment.html#comment-5 Any idea what percentage of all PPC's are fraudulent? I believe that a large portion of these pay per clicks are not legitimate. - Matt S Mon, 27 Apr 2009 16:38:50 +0100