I think parent is saying the opposite of what you think. No tracking, no VR. Just e-ink screens in sunglasses > moving with you when you turn your head As in,

I think parent is saying the opposite of what you think. No tracking, no VR. Just e-ink screens in sunglasses > moving with you when you turn your head As in, unlike vr it doesn't stay in place- much dumber tech. just Kindle on your face