Candor compels me to admit that I have no conclusive research to support my view that jingles are less persuasive than the spoken word. You'd run like hell if a salesman came to your door and began singing at you. Why do it in advertising?
David OgilvyYou aren't advertising to a standing army; you are advertising to a moving parade. Three million consumers get married every year. The advertisement which sold a refrigerator to those who got married last year will probably be just as successful with those who'll get married next year. An advertisement is just like a radar sweep, constantly hunting new prospects as they come into the market. Get a good radar and keep it sweeping.
David OgilvyThe line between pride in our work and neurotic obstinacy is a narrow one. We make our recommendations clear. But we do not grudge our clients the right to the final say. It is their money.
David Ogilvy