A method, computer program product, and system for determining whether an individual at a venue views content in a monitor includes a processor defining a venue that includes at least one monitor for viewing content, where the at least one monitor has a viewing angle and the at least one monitor is viewable by an individual situated within a viewing cone defined by the viewing angle and within a pre-determined perpendicular distance from monitor. The processor identifies, based on communicating with location services on each client of a plurality of clients, a plurality of users (associated with the clients) entering the venue. The processor determines, in real time, for each user of the plurality of users and for each monitor of at least one monitor, a likelihood that the user is viewing the at least one monitor, wherein the determining comprises, for each user.