The interesting part is that a lot of what he is talking about is already possible. - You can use augmented reality or VR with something like Oculus to display

The interesting part is that a lot of what he is talking about is already possible. - You can use augmented reality or VR with something like Oculus to display things in 3D space. - You can use Motion Capture technologies, plus maybe some convenient remote-control/keyboard-like devices to put a human in that virtual space and manipulate things. Only 2 technologies(Oculus + Mocap) would be enough to accomplish something like this: http://youtu.be/VzFpg271sm8 http://youtu.be/VzFpg271sm8 Give a bunch of people oculus rifts and put them in the same virtual reality - and we have the dynamic stage he is talking about. They don't even have to be in the same room of course, we have 3D realtime MMORPGs and second-life that already solved that problem!! You could attend a virtual talk by sitting in your apartment with oculus rift on your head. And of course "downloading a room" instead of a book is already very doable. We already have computer games and engines. That room is like a video game level. Downloading it is not a problem, to explore it all you need is oculus and a simple game controller or a keyboard/mouse. And in terms of creating such content, the closest thing I can think of is 3D editors, like Maya or Houdini, especially houdini(http://www.sidefx.com http://www.sidefx.com), which is the brilliant combination of computer graphics and programming, that allows you to model and program dynamic things visually.