1. An audio data processing device for use by a plurality of users to control a system and for use with a microphone, a user demographic profiles database and a content database, the microphone being operable to detect speech and to generate a speech data based on the detected speech, the user demographic profiles database being capable of having demographic data stored therein, the content database being capable of having at least one of content data and advertisement data stored therein, said audio data processing device comprising: a voice recognition portion operable to process user instructions from a first user of the plurality of users, based on a command speech data that comprises at least one command by the first user for controlling the audio data processing device; a voice analysis portion operable to determine characteristics of the first user based on the speech data; and a speech to text portion operable to determine interests of the first user based on a conversational speech data that comprises at least a portion of a monitored conversation between the first user and at least a second user of the plurality of users, and further wherein the portion does not comprise a command by the first user for controlling the audio data processing device.
1. An audio data processing device for use by a plurality of users to control a system and for use with a microphone, a user demographic profiles database and a content database, the microphone being operable to detect speech and to generate a speech data based on the detected speech, the user demographic profiles database being capable of having demographic data stored therein, the content database being capable of having at least one of content data and advertisement data stored therein, said audio data processing device comprising: a voice recognition portion operable to process user instructions from a first user of the plurality of users, based on a command speech data that comprises at least one command by the first user for controlling the audio data processing device; a voice analysis portion operable to determine characteristics of the first user based on the speech data; and a speech to text portion operable to determine interests of the first user based on a conversational speech data that comprises at least a portion of a monitored conversation between the first user and at least a second user of the plurality of users, and further wherein the portion does not comprise a command by the first user for controlling the audio data processing device. 4. The audio data processing device of claim 1 , wherein said speech to text portion is further operable to identify keywords within the portion of the speech data.