Project Seed: Our Probable Future

I think probability theory will be more and more important. With the growing amount of content and information, the question of "what are the chances that I'll ever see this again" needs to be mitigated. What can you do to bring that probability as close to 100 again? As close to zero? (Right to be forgotten)
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Library sciences, an understanding of how to categorize/structure information for refinding, keywords.