1. A method comprising, by one or more computing systems: receiving at a social-networking system from a video-content-provider system a request comprising a user identifier associated with a user of the social-networking system; querying a social graph of the social-networking system for stories generated by one or more connections of the user on the social-networking system, the social graph comprising a plurality of nodes and edges connecting the nodes, the nodes comprising user nodes that are each associated with a particular user of the social-networking system, wherein edges between the user nodes identify relationships between the users of the social-networking system; and transmitting one or more of the stories from the social-networking system for use in connection with a service provided to the user by the video-content provider.