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  1. The doomsday vault currently holds several terabytes of digital data, so not everything would be lost in an apocalypse.

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  2. There are a few high-end data centres in the world that could survive most calamities.

  3. Most of the world’s data is so fragile that simple mishaps like power failure can destroy it.

  4. If we are not careful, the world’s data will get lost like many ancient documents and records, leaving future generations with many unanswered mysteries.