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“robert m barrows”

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  • The Barrows Popularity Factor

    by Robert M. Barrows ...
    The Barrows Popularity Factor explains how businesses of all kinds can now measure the effectiveness of their advertising with an easy-to-use mathematical formula called The Barrows Popularity Factor.The formula actually lets you quantify the relationship between your advertising and sales. Advertisers can use it to test and compare advertising copy and media, better, faster and less expensively ... Read more

    $4.99 USD