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 For Auto Shopping Sites, Bots Are the True Decepticons Estimates of the Wasted Ad Spending Range from $1B to $12B a Year By Vince Bond Jr., Published on July 15, 2014 0 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. Become a Member Already a member? Log in.