the point here is that if you view 2D video in a 3D environment with a plain old web browser on a smartphone or tablet etc, it can feel way more immersive when

the point here is that if you view 2D video in a 3D environment with a plain old web browser on a smartphone or tablet etc, it can feel way more immersive when you hook up the accelerometers so you can look around the scene and tilt the device to look from person to person and zoom to whoever's talking etc. Obviously it makes no sense if they have goggles on, but in practice we've found it a huge win over boring 2D VC. (disclaimer, i worked on this :)