40. The system of claim 39 , wherein said subjective user state data reception module configured to receive the subjective user state data including the data indicating incidence of the at least one subjective user state associated with the user comprises: a subjective user state data reception module configured to receive, via one or more blog entries, the subjective user state data.
39. The system of claim 38 , wherein said subjective user state data acquisition module configured to acquire subjective user state data, the acquired subjective user state data including data indicating incidence of the at least one subjective user state associated with the user comprises: a subjective user state data reception module configured to receive the subjective user state data including the data indicating incidence of the at least one subjective user state associated with the user.