In 1957, Packard launched his career as an author and public speaker with his publication of the bestseller on [[advertising]], ''The Hidden Persuaders''. Among other aspects of advertising, the book discussed so-called "motivational research" or "depth psychology" advertising, attempts by advertisers to influence consumers on a subconscious level.<ref>http://www.answers.com/topic/vance-packard</ref> After the success of ''The Hidden Persuaders'' Packard went on to publish several other books, almost all of them dealing with sociological issues or social criticism. | In 1957, Packard launched his career as an author and public speaker with his publication of the bestseller on [[advertising]], ''The Hidden Persuaders''. Among other aspects of advertising, the book discussed so-called "motivational research" or "depth psychology" advertising, attempts by advertisers to influence consumers on a subconscious level.<ref>http://www.answers.com/topic/vance-packard</ref> After the success of ''The Hidden Persuaders'' Packard went on to publish several other books, almost all of them dealing with sociological issues or social criticism. |