Frequency is the number of times your ad is displayed to a person or you target audience over the span of a campaign. The higher the frequency of play the more often an audience has an opportunity to view the advertisement. Frequency is also defined as the average number of times an individual notices an out of home (OOH) advertising message during a defined period of time. Frequency in outdoor billboard advertising is typically measured over a four week period, but can be reported for any campaign length
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