Holograms were the fantasy; VR and AR are the reality

Like flying cars and robot assistants, holograms have spent almost my entire life being “only a few years away” from ubiquity. The hologram rush began when National Geographic featured 3D skulls, eagles, and globes on the covers of its magazines. Naturally, as the sci-fi concept had finally become somewhat tangible, people began to assume that holographic TVs would soon bring realistic 3D images into their living rooms.