NotebookLM Document Comparison: Track Differences References checked: 5 October 2026 Task: Which difference changes an obligation or decision? Inputs: [provide two labeled document versions and comparison criteria] Audience: [intended reader] Required result: a difference ledger with impact and supporting passages. Use approved sources and preserve dates, definitions, conditions, and exceptions. Separate confirmed facts, interpretation, and unresolved questions. Do not invent missing details. Show the evidence needed to review consequential claims. Ask one focused question if a missing requirement blocks the result. Acceptance checks: - Versions are not confused - Changes have supporting passages - Meaning and wording are distinct - Intent is not invented Practice Compare fictional briefs with one date change and one ambiguous omission. Official reference https://support.google.com/gemininotebook/answer/16179559?hl=en