2. The method of claim 1 , wherein generating the playlist comprises: based on the data generation attribute, selecting audible versions of stories from a group of audible versions of stories, wherein the selected audible versions of stories includes the audible version of the story; and including, in the playlist, references to each of the selected audible versions of stories.
2. The method of claim 1 , wherein generating the playlist comprises: based on the data generation attribute, selecting audible versions of stories from a group of audible versions of stories, wherein the selected audible versions of stories includes the audible version of the story; and including, in the playlist, references to each of the selected audible versions of stories. 3. The method of claim 2 , wherein each of the selected audible versions of stories was generated by either recording a human verbal reading or by the text-to-speech system, and wherein the references to the selected audible versions of stories are ordered in the playlist so that references to verbally read stories are interspersed with references to text-to-speech generated stories.