... by technology, and they are taught from infancy that the onboard superstore, Buy-and-Large, is their very best friend. ... They travel around the ship on small personal hovercraft and communicate with one another entirely by video chat, never actually face to face. ... One of the most basic is holographic imaging, a technology which is illustrated in Star Wars: Episode IV. While Luke Skywalker receives some Jedi training from Obi-Wan Kenobi, aboard the 8.4 Visions of the Future 193 ...