1. A method comprising: determining a user interest profile indicating a portion-varying level of user interest toward a first streaming media item via a processor, the user interest profile based on a plurality of ratings input by a user for a plurality of respective portions of the first streaming media item; determining a second streaming media item via the processor, wherein the second streaming media item is positively rated by a group of users whose aggregate user interest profile for the first streaming media item is similar to the user interest profile; determining, via the processor, a portion of the second streaming media item for which the group of users have expressed disagreement in interest by: determining a difference between two interest profiles for the portion of the second streaming media item; and determining that the difference is beyond a threshold; recommending the second streaming media item to the user via the processor; and indicating the portion to the user via the processor.