17. The computer program product of claim 12 wherein the computer program instructions are further capable of retrieving a user profile from storage, and wherein: selecting a vocal demeanor comprises selecting a vocal demeanor in dependence upon the retrieved user profile; and selecting a visual demeanor comprises selecting a visual demeanor in dependence upon the retrieved user profile.
12. A computer program product for establishing a multimodal personality for a multimodal application, the computer program product disposed upon a computer-readable storage device, the computer program product comprising computer program instructions capable of selecting, for use by the multimodal application, a vocal demeanor from a plurality of vocal demeanors, the vocal demeanor being characterized by a first attribute; selecting, for use by the multimodal application, a visual demeanor from a plurality of visual demeanors, the visual demeanor being characterized by a second attribute, wherein: the visual demeanor is selectable separately from the vocal demeanor; the visual demeanor is selected based on analyzing one or more aspects of a user's history; and the vocal and visual demeanors are selected such that the first attribute of the vocal demeanor matches the second attribute of the visual demeanor; and incorporating, by the multimodal application, the matching vocal and visual demeanors as a multimodal personality into the multimodal application, wherein the signal bearing medium comprises a recordable medium.