The ruling holds that training on publicly accessible text can be fair use where the output does not substitute for the original. It also finds that ignoring machine-readable opt-outs weighs against the defendant. Lawyers describe it as a roadmap rather than a blank cheque.

What happens next

Expect widespread adoption of opt-out signals, licensing deals for premium content and appeals. Developers are reviewing their crawling practices. Publishers are updating their robots files.

Key takeaways

  • Fair use upheld with substitution test
  • Opt-out signals carry legal weight
  • Appeals are expected

This story is part of our ongoing coverage of policy & privacy. We will update it as more details emerge.