An advertisement delivered between the display of two other Web pages. Typically the ad is smaller than a full screen, and usually it must be viewed in its entirety, or the user must take a step to remove it from view.
Publishers spend millions generating content, designing user experiences, and promoting themselves as the destination of choice when people open up their browsers. In order to pay for the user's attention, they sell impressions. But who should publishers sell to? Be sure to consider the key points explained in this paper.
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