Google’s September Search changes now form a broader migration story: legacy campaign-level Broad Match and standalone Automatically Created Assets settings will be converted into AI Max, while language targeting stops affecting Search delivery and related API mutations begin failing.
The study moves the AI-search traffic debate beyond observational correlations: participants were randomly assigned to current Google Search, a version with AI features hidden, or AI Mode-only search during ordinary browsing. It is still a preprint and does not establish effects for every query or publisher.
Claude text watermarking is now part of Anthropic’s compliance approach for newly launched models. It does not add tokens or user identifiers, but it is weaker on short, factual, lightly edited and code-heavy outputs, limiting how provenance claims should be used.