11. The system of claim 9 , wherein said user interface solicitation module configured to solicit, via a user interface, the data indicating occurrence of at least one subjective user state associated with a user comprises: an indication module configured to indicate, via at least an audio system, a request for the data indicating occurrence of at least one subjective user state associated with a user.
9. The system of claim 8 , wherein said subjective user state data solicitation module configured to solicit the data indicating occurrence of at least one subjective user state associated with a user from the user comprises: a user interface solicitation module configured to solicit, via a user interface, the data indicating occurrence of at least one subjective user state associated with a user.