Imagine you could take your smartphone and go back in time fifty years. The year is 1970. You pass someone on the street and show them the piece of aluminum, plastic and glass in your hand. You proceed to explain to them that this device allows you to call or instantly message anyone in the world. It is connected to vast libraries of information, can provide directions, and provide answers to any questions you or they might have. It has a voice interface that allows you to talk to it and receive spoken answers.
Given the popularity of 2001: A Space Odyssey (the book and the film), which was released 2 years earlier, the person might assume you were showing them a movie prop. They would hardly believe that such a device would ever be possible, even though Stanley Kubrik and Arthur C. Clarke foreshadowed these and many other technical innovations in their breakthrough movie.
And therein lies the main reason science fiction has become one of my primary reading genres.
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