28. A set-top box comprising: a memory storing computer instructions; and a controller coupled with the memory, wherein the controller, responsive to executing the computer instructions, performs operations comprising: detecting a plurality of users engaging in a voice conference to discuss a presentation of a media program supplied by an interactive television network; and identifying for the plurality of users at least one of advertisement content or marketable media content from textual dialog derived from the voice conference.
28. A set-top box comprising: a memory storing computer instructions; and a controller coupled with the memory, wherein the controller, responsive to executing the computer instructions, performs operations comprising: detecting a plurality of users engaging in a voice conference to discuss a presentation of a media program supplied by an interactive television network; and identifying for the plurality of users at least one of advertisement content or marketable media content from textual dialog derived from the voice conference. 29. The set-top box of claim 28 , wherein the controller is operative to: monitor the media program; identify a behavioral profile of at least one user; identify a media program profile from the monitored media program; and identify for the plurality of users the at least one of advertisement content or marketable media content according to the behavioral profile of the at least one user and the media program profile.