# clm_DDAD65E97DB5

subject: NotebookLM (/record/notebooklm.md)  
predicate: feature_added  
value: Expert Intelligence  
valid_from: 2026-08-27  
valid_to: null  
published: 2026-08-27  
recorded: 2026-10-31  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date  

> Expert Intelligence launches today with more than 100,000 books from major publishers, including Bloomsbury, De Gruyter Brill, Johns Hopkins University Press, Macmillan Publishers, O’Reilly Media, and Penguin Random House.

What https://blog.google/innovation-and-ai/products/gemini-notebook/expert-intelligence-leading-sources/ says, word for word.

## Sources

- https://blog.google/innovation-and-ai/products/gemini-notebook/expert-intelligence-leading-sources/ (primary, Google, published 2026-08-27)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
