The worlds and experiences are reminiscent of Stephenson's Snow Crash or Cline's Ready Player One in so many ways. It's eery, fascinating, and altogether odd.
Add on top of this that spectators, sometimes in the thousands, watch these virtual experiences live on Twitch.tv, and you have a very "we're in the future" feeling.
You can check out plenty of live streams of people experiencing this on Twitch.tv now: