If you ever have the good fortune to create a great advertising campaign, you will soon see another agency steal it. This is irritating, but don't let it worry you; nobody has ever built a brand by imitating somebody else's advertising.  -   David Ogilvy     Quotes
If you ever have the good fortune to create a great advertising campaign, you will soon see another agency steal it. This is irritating, but don't let it worry you; nobody has ever built a brand by imitating somebody else's advertising. David Ogilvy
 Advertising American Businessman