15. A non-transitory computer-readable medium containing computer-executable instructions that, when executed by a processor, cause the processor to perform a method for recommending media content, the method comprising: identifying topics associated with a plurality of pieces of media content presented in a session; calculating a distance metric for pairs of topics, wherein each of the pairs of topics includes a first topic associated with a first piece of media content and a second topic associated with a second piece of media content, and wherein the second piece of media content was presented within a given span of the presentation of the first piece of media content; for each of the plurality of pieces of media content, generating a single rank-ordered list of all second topics; and for each of the plurality of pieces of media content, identifying one or more other pieces of media content as recommended media content based on the single rank-ordered list.
15. A non-transitory computer-readable medium containing computer-executable instructions that, when executed by a processor, cause the processor to perform a method for recommending media content, the method comprising: identifying topics associated with a plurality of pieces of media content presented in a session; calculating a distance metric for pairs of topics, wherein each of the pairs of topics includes a first topic associated with a first piece of media content and a second topic associated with a second piece of media content, and wherein the second piece of media content was presented within a given span of the presentation of the first piece of media content; for each of the plurality of pieces of media content, generating a single rank-ordered list of all second topics; and for each of the plurality of pieces of media content, identifying one or more other pieces of media content as recommended media content based on the single rank-ordered list. 17. The non-transitory computer-readable medium of claim 15 , wherein the distance metric is a mutual information score.