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Zeitgeist — a spike by Chris Gathercole
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  2. Gary Marcus — Marcus on AI/

Two ways it might all fall apart

Substack · Watch/Read · (gathered 2026-08-29)

  • Gary Marcus anticipates a future collapse, potentially of the market or big tech stocks, which he frames using Hemingway’s “gradually and then suddenly” progression.
  • He identifies two primary, though not mutually exclusive, pathways to this collapse: psychological factors (his usual focus) and the more concrete issue of unpaid bills.
  • The piece serves as a warning about impending market instability, suggesting that a significant downturn is inevitable, whether it manifests as a slow fizzle or a sudden crash.