In the new edition of my 2025 book, "The Simulation Hypothesis," I’ve updated my estimate of how likely we are to be in a simulation to approximately 70%, thanks to recent AI developments. This means we are almost certainly inside a virtual reality world like that depicted in "The Matrix," the most talked-about film of the last year of the 20th century.

Even young people who weren’t born in 1999 tend to know the basic plot of this blockbuster: Neo (Keanu Reeves) thinks he’s living in the real world, working in a cubicle in a mega software corporation, only to discover, with the help of Morpheus (Laurence Fishburne) and Trinity (Carrie-Anne Moss), that he’s living inside a computer-generated world.

When we reach the simulation point, we would be capable of building something like 'The M

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