Any real virtual reality enthusiast can look back at VR science fiction. It's not about playing games... 'The Matrix,' 'Snow Crash,' all this fiction was not about sitting in a room playing video games. It's about being in a parallel digital world that exists alongside our own, communicating with other people, playing with other people.
Science fiction is any idea that occurs in the head and doesn't exist yet, but soon will, and will change everything for everybody, and nothing will ever be the same again. As soon as you have an idea that changes some small part of the world you are writing science fiction. It is always the art of the possible, never the impossible.
Remember, science fiction's always been the kind of first level alert to think about things to come. It's easier for an audience to take warnings from sci-fi without feeling that we're preaching to them. Every science fiction movie I have ever seen, any one that's worth its weight in celluloid, warns us about things that ultimately come true.