Every advertisement is part of the long term investment in the personality of the brand.
David OgilvyThe secret of long life is double careers. One to about age sixty, then another for the next thirty years.
David OgilvyNever stop testing, and your advertising will never stop improving. Testing was used in advertising decades ago. The internet has made testing so easy that every online marketer can use it to improve advertising results. Google content experiment is a free tool for you to do split testing.
David Ogilvy