A land is reigned by a circle of powerful men who control every aspect of the citizen's life. This cabal changes members often. In reality, the spectres of a small necromantic covent possess and control the people in power. Since they simply possess the bodies, they can leave when old age overcomes their shells and possess a new up-and-coming noble.
Maybe in the future, you can earn money by allowing yourself to be possessed by the genius loci of Taco Bell. And then it just spews ads out of your mouth during all the times you aren't using it.