"Today we have virtual reality so advanced that it’s difficult to be sure if it’s virtual or real" That's over-stating things a bit. The advancement from pong

"Today we have virtual reality so advanced that it’s difficult to be sure if it’s virtual or real" That's over-stating things a bit. The advancement from pong to VR is massive, but VR where it's difficult to tell whether it's real? Probably still decades (or more) away.