1. A system for processing content, the system comprising: a content data store configured to store an audiobook, the audiobook comprising an audio narration that references a plurality of original objects and includes a recitation of at least one original attribute of each original object; a narration data store configured to store a plurality of audio clips, each audio clip affiliated with a speaker; and a computing device in communication with the content data store and the narration data store, the computing device configured to: access a social graph comprising a plurality of social graph objects; select a social graph object from the plurality of social graph objects, the selected social graph object comprising at least one social graph attribute; select an original object; and replace, in the audio narration of the audiobook, the recitation of at least one original attribute of the selected original object with a replacement recitation of the at least one social graph attribute to form a modified audiobook; wherein the replacement recitation is generated from one or more audio clips stored in the narration data store.