Google introduces "notebooks" in the Gemini app for deeper NotebookLM integration and a space to organize chats and files, after adding sources in December 2025 (Abner Li/9to5Google)

Why it matters: Google's Gemini app will offer users a new way to organize their digital content by December 2025.
- Google introduces "notebooks" in the Gemini app for enhanced organization of chats and files (per Abner Li/9to5Google).
- The Gemini app is receiving deeper NotebookLM integration, expanding on the source support added in December 2025 (per Abner Li/9to5Google and Google News Technology).
- This new feature allows users to organize their digital content more effectively within the Gemini ecosystem (per 9to5Google).
Google is rolling out a new "notebooks" feature within its Gemini app, significantly deepening its integration with NotebookLM. This update provides users with a dedicated space to organize chats and files, building on the initial source support introduced in December 2025.



