Anthropic cut up millions of used books, and downloaded 7M pirated ones – judge

  Alsup detailed Anthropic's training process with books: The OpenAI rival 
  spent "many millions of dollars" buying used print books, which the 
  company or its vendors then stripped of their bindings, cut the pages, 
  and scanned into digital files.

I've noticed an increase in used book prices in the recent past and now wonder if there is an LLM effect in the market.