Affinity Based Ranked For Search And Display

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for affinity based ranking and display of digital photographs. In one aspect, a method includes receiving an identifier that identifies a first user; accessing data defining relationships of the first user to second users; accessing digital photographs; determining digital photographs that are each associated with one or more of the first user and the second users; for each digital photograph, generating a photograph score based on the association with one or more of the first user and the second users and corresponding affinity scores representing the relationships of the first user to the second users; ordering the digital photographs according photograph scores; and providing one or more of the digital photographs to a user device of the first user according to the order.