I would first think about what mainstream means and than if or how it is relevant for VR. Companies will and already using it for training. There are VR exper

I would first think about what mainstream means and than if or how it is relevant for VR. Companies will and already using it for training. There are VR experience centers. Porn and gaming will keep people playing around with it. It will become easier to use, with more content, lighter and cheaper. Good VR is a crazy experience but not cheap. Let's wait a few years.