1. A method comprising: maintaining rating groups, each rating group providing ratings that relate to at least one of the multiple pieces of content and that are compiled based on information received from multiple users evaluating the at least one of the multiple pieces of content; receiving, from a first user, a selection of a first rating group, from among the rating groups, to be applied to a set of users associated with the first user; receiving a request for a piece of content from a user; determining whether the user from which the request was received belongs to the set of users associated with the first user; in response to a determination that the user belongs to the set of users associated with the first user, accessing information associated with the first rating group and determining whether the first rating group includes a rating for the requested piece of content; and determining whether or not to provide information to the requesting user conditioned on the indication or absence of a rating for the requested piece of content within the first rating group.