http://www.youtube.com/watch?v=eEb1iLeHM1E
If you want to see some X3D, here are some videos. I and a lot of other people have worked first in VRML and on X3D. This is the future of non-linear storytelling and of course all the other mapping apps. This is free, open, IP-unencumbered and the victory of the internet 3D pioneers over forces of proprietary owners of the metaverse.