65. The method as recited in claim 43 wherein the controlling the voice user interface comprises selecting a prompt based on a user's experience with using the voice user interface during a current session and across sessions.
69. The method as recited in claim 65 wherein the controlling the voice user interface comprises selecting a coaching prompt that provides a current state of interaction, lists commands that the user can say at the current state of interaction, and lists the actions that would be taken in response to each of the commands.