Even though lots 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 does not work, but because their ppc approach is flawed. https://k12.instructure.com/eportfolios/881954/Home/3_Secrets_For_Effective_Pay_Per_Click_Advertising_Campaigns_