Over the past 15 years, U.S. spending on digital advertising has surged, growing sixfold to reach $49.5 billion in 2014.[1][1] Magna Global forecasts that digital will exceed television advertising by the end of 2016.[2][2] Such growth, along with a plethora of computer-driven measures, have caused
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Gian M. Fulgoni (2015) studied this question.
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