For decades, advertising agencies and the media have operated under a shared myth about what they do. The canard runs something like this: “Create brilliant advertising that gets people’s attention, run it in enough places the consumers can’t get away from it and eventually you’ll see your share of market increase as a result.”
When it came to generating measurable performance, agencies and the media gave lip-service to “Return on Marketing Investment” and other things that sounded very measurable and analytical; but the hard truth of the matter was that advertising has always been a fairly imprecise endeavor – and everybody was fine with the smoke and mirrors of it all.
