Discover how direct marketing strategies can boost sales at any company – whether you think of yourself as a direct marketer or not.
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Denny is a veteran in the world of direct marketing and the author of 2,239 Tested Secrets for Direct Marketing Success, Million Dollar Mailings and A Layman’s Guide to Manipulating the Media.
At the end he reveals what he calls “the single most successful advertisement in the history of the world.”
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