What if YOU are the only living "PC" in the most realistic computer game ever, called life? Everyone else is an NPC, and time freezes whenever you're not looking in that direction. A computer just does some calculations of how it will look once you turn around again.

In other words, what doesn't exist in our senses at the moment doesn't exist at all.

"Stephen Wolfram is the creator of Mathematica and is widely regarded as the most important innovator in scientific and technical computing today." - Stephen Wolfram