Abstract: In one embodiment, the system obtains data from a plurality of user profiles associated with a plurality of users, where the data indicates one or more of a plurality of features pertaining to each of the plurality of users. The system predicts an action that a particular one of the plurality of users has or will have a high probability of intent, desire, or need to perform at a future time based, at least in part, upon the data that has been obtained from the plurality of user profiles. The system provides an advertisement or offer to the particular user based, at least in part, upon the action that the particular user has a high probability of intent, desire, or need to perform at a future time.

Abstract: In one embodiment, a social authority score associated with a user is determined, where the social authority score indicates a level of social influence of the user. One of a plurality of advertisements is identified based, at least in part, upon the social authority score associated with the user. The one of the plurality of advertisements is then provided to the user.