1. A device, comprising: a gaze detector adapted to generate gaze information; and a user-interface controller adapted to: in response to the gaze information indicating that the user is gazing at the device, recognize an audio command uttered by the user, and provide a response to the audio command via the device; and in response to the gaze information indicating that the user is not gazing at the device, recognize an audio command uttered by the user, and route response information to a second device for presentation to the user.