Executive Takeaway Generative AI becomes significantly more useful for business when it works from trusted organizational knowledge rather than relying only on general model capability. Source-grounded approaches—ranging from practical NotebookLM workspaces to tailored Retrieval-Augmented Generation (RAG) solutions—can improve relevance, traceability and consistency in AI-supported work. They can reduce the risk of unsupported outputs, but they do not eliminate the need for s