Giving Voice to the Map: The "There" in "Where"Maps have traditionally been two-dimensional reference points. Even with 3D perspectives an essential component has been missing--the soundscape. Like the soundtrack to a film, this final element not only answers the question "Where am I?" but informs the viewer what they can expect to find either in a virtual or actual visit. From O'Reilly Where 2.0 Conference, San Jose, CA, May 29, 2007 Less