Until the end of the movie, I thought there would be a scene at the end: Halliday is not dead, Wade found him. . . Every character in the oasis corresponds to a real person in reality. Existing in the oasis through VR, Halliday's consciousness may be the connection of Halliday's real existence. He is not dead, but just tired of virtuality. The oasis he designed, when he needed to appear, he appeared in the oasis, when not needed, of course, in a corner of the real world, living a comfortable life.
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