Simultaneously here and gone, holograms are stand-ins for all things virtual, harbingers of a “mixed reality” in which the real and the simulated have been integrated seamlessly. Highly hyped future products such as Magic Leap andMicrosoft HoloLens hope to holographically enhance ordinary life, promising a revolution in communication, gaming, home improvement, engineering, design, and art making—an “internet of experiences” that will displace the current information-dependent culture. In reality, however, holograms have mostly been gaudy stunts that reveal people’s anxiety about technological presence.