I think the biggest use of VR is in covert government surveillance and voyeurism. Many people involved with various parts of the national security state have access to the real time 3D live stream that is going on in which they can see everybody in their homes and apartments and even see you naked. The technology for the imaging is called Wifi sensing and they also use AI to add color and photorealistic rendering to the video feed. Generally the only people who know about it are people (cont'd)