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Why Fraudulent Ad Networks Continue to Thrive

Harvard Business Review

At a medical device company, a brand manager was examining a chart of daily traffic to his website. In the display advertising world, advertisers pay by thousands of ad impressions, denoted CPM (cost per thousand). At an average CPM of $1, this budget buys 100 million ad impressions. Fou, a prodigy who earned a Ph.D.

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