The effectiveness of advertising depends on the amount and kind of product information available to consumers... advertising will be more successful the more impoverished the consumer's information environment

Advertising is much less powerful than advertisers and critics of advertising claim, and advertising agencies are stabbing in the dark much more than they are practicing precision microsurgery on the public consciousness

American advertisers rely on 'essentially illogical' approaches to determine their advertising budgets

If advertising is not an official or state art, it is nonetheless clearly art

Chances are that neither the client nor the agency will ever know very much about what role the ad has played in sales or profits of the client, either short-term or long-term