This week on my podcast, I read my latest Locus Magazine column, “The Age of Vapor,” about the role science fiction imaginaires plays in fueling high-tech investment bubbles.

But spinning narratives about imaginary technology as investment advice is a very different matter. The point here is to obscure: to con­vince investors that a company with a 90% market share will somehow continue to grow, to stave off the day when Stein’s Law (“If something cannot go on forever, it will stop”) asserts itself.

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