Most of us think that we can easily distinguish virtual and real, however, as technology advance, one day we may no longer distinguishing virtual and real consciously.
Imagine a transmission portal, people are scanned here, transmitted and recomposed elsewhere.
During the fraction of time that we are transmitted in light speed, what would be our experience? Is there any virtual existence?
Later, our body is recomposed, replacing the original media of self and the physical world, linking back to the reality.
Now, there is a complex relationship of real and virtual, our existence is no longer bounded by physical reality.