Why Don't Ad Agencies Advertise?

If advertising is so effective, why don’t ad agencies advertise? That’s the question Simon Sinek poses in a recent issue of BrandWeek. After all, ad agencies recommend clients spend 10% their revenues on marketing. But do they practice what they preach? Sinek points out: “According to Nielsen Monitor-Plus, Interpublic, Omnicom, Publicis and WPP spent a […]