You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Fake Pageviews Cost Online Advertisers More Than $6 Million Per Month Hijacked Computers Generating Billion of Fake Ad Impressions Monthly By John McDermott, Published on March 20, 2013 2 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Register Now Already a member? Log in.