Abstract: Systems and methods for targeting online advertisements using data derived from social networks are provided.

Abstract: Methods and systems for providing social networking-based advertisements are provided. In accordance with some embodiments, methods for providing social networking-based advertisements to users are provided, the method comprising: collecting user information relating to a user from a user profile on a social networking website, wherein the user information includes relationship data that describes a social network of members of the social networking website connected to the user; determining whether the user information has missing attributes; in response to determining that the user information has missing attributes, deriving the missing attributes from users profiles associated with the members of the social network; using the collected user information and the missing attributes to select an advertisement; and providing the selected advertisement to the user and at least one member of the social network associated with the user.