Even though a lot of people have tried ppc advertising with Google AdWords, many advertisers think it is unproductive and ineffectual. Frequently, though, advertisers' campaigns fail not because PPC advertising fails, but because their pay per click marketing approach is flawed. https://k12.instructure.com/eportfolios/881954/Home/3_Secrets_For_Effective_Pay_Per_Click_Advertising_Campaigns_