Your prediction isn't a prediction. It's fact. Just watch the videos posted from the previous Oculus Connect [1]. They demo some early prototypes to show their vision.

Several times I needed to pick my jaw off the floor from what they've accomplished with mapping the real world and virtualizing it. The fidelity is breathtaking.

If they keep up the pace of miniaturization we'll have Rainbow's End before we know it.

[1] https://www.youtube.com/playlist?list=PLL2xVXGs1SP78z-KC3S1Z...