However, if immortality is the goal, then we’re currently out of luck biologically. On the other hand, ten minutes inside a typical virtual-reality setup allows digital-tracking equipment to capture literally millions of bytes of data about a person’s movements, appearance, and behavior. In less than two hours, if a system records behaviors at high resolution, the tracking data will overflow hard drives on most computers. Consider today’s typical young adult, who spends more than twenty hours per week online, year after year. The amount of data that can be archived about a single person is
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