21. The method of claim 15 , further comprising customizing, via the computer, the image of the human in response to an input from the user.
21. The method of claim 15 , further comprising customizing, via the computer, the image of the human in response to an input from the user. 22. The method of claim 21 , wherein said customizing the image of the human comprises at least one of customizing a visual appearance of the image of the human, customizing an audio or voice output for the image of the human, and customizing a personality profile for the image of the human.