It's a fun thought experiment: what if the universe is a simulation, and nothing around us is real? But lately, some of the most powerful people in tech (and politics) have been saying they believe this is true. Why would they think that? To understand, we talk to Damien P. Williams at the University of North Carolina at Charlotte, and Paris Marx, host of the Tech Won't Save Us podcast. Spoiler alert: anyone who'd trap us in a simulation would have to be a total sociopath.