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