Overview

• Discover Sources now searches the contents of Google Docs and Slides in Drive rather than just filenames.
• Users can ask questions in natural language and see relevant passages pulled from inside matching files.
• Located documents can be added as sources for research or notes, and updates sync automatically from Drive.
• NotebookLM only surfaces files the user owns or has access to, preserving the privacy of personal documents.
• The capability rolled out quietly in recent weeks and is currently focused on Docs and Slides, targeting time savings for heavy document users.