According to various embodiments, a viewing event may be detected, the viewing event corresponding to a user viewing a content item. A view reason associated with the viewing event may be determined, the view reason indicating how the user was notified of the content item or how the user accessed the content item. A privacy value associated with the viewing event may be determined, the privacy value indicating an inferred sensitivity of the user to publication of the viewing event. Further, metadata describing the viewing event may be generated. Moreover, the metadata may be associated with the content item.