A public advertisement display (e.g., billboard) is dynamically adjusted for advertising content in response to characterizing a viewing population. At least a subset of the viewing population carries a wireless networked device that can be associated with a user's identity as well as a location of the user. A user profile is developed based on behavior, collected demographic data, web browsing through other devices, etc. Advertising campaigns have royalty values based on the number of viewers of a particular characterization. Optimization of the royalty is dynamically determined based on determining a number of viewers and a characterization of at least a portion of the viewers. A targeted advertising campaign of reach-frequency-time per viewer can be satisfied at least in part by tracking these views for identified users. A marketplace platform depersonalizes tracking and royalty reports to advertisers to protect the users and encourage their participation in the tracking.
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