Don Norman discusses why you would want to do something like that here http://businessofsoftware.org/video_09_dnorman.aspx http://businessofsoftware.org/video_0

Don Norman discusses why you would want to do something like that here http://businessofsoftware.org/video_09_dnorman.aspx http://businessofsoftware.org/video_09_dnorman.aspx (50:30).