1. A system, comprising: a server configured to assign a trust rating, in response to input from a user source, to a recommender source specifically for a user-defined topic, wherein the trust rating represents a degree of trust that the user source has in the recommender source to provide content recommendations of value specifically for the user-defined topic, wherein the user-defined topic is also defined by the input from the user source, determine a recommendation rating for a content recommendation provided by the recommender source, wherein the content recommendation is for content specified with the user-defined topic, and wherein the recommendation rating represents a degree of preference that the recommender source has for the content, and calculate a score for the content recommendation by computing the recommendation rating with the trust rating; and a client device configured to receive the input from the user source, provide the input to the server, receive the score from the server, and present the score on a display associated with the client device.