Mind mapping feature spotted in Google's NotebookLM under tests

· 2 min read
NotebookLM

Google appears to be developing a feature for its AI-powered note-taking tool, NotebookLM, that generates interactive mind maps. This functionality, currently hidden under experimental flags, aims to visually organize all the sources within a user's notebook. Here's a breakdown of the leaked information:

The Leaked Feature

The interactive mind map feature would allow users to:

  1. Automatically generate a structured visual representation of their notebook's sources.
  2. Convert the source map into a JSON format, which could then be used for visualization in external tools like Claude or other mapping platforms.
  3. Serve as an option for note creation, though it is currently not prominently accessible and remains experimental.

This feature seems to align with NotebookLM’s broader goal of helping users manage and synthesize complex information by leveraging AI.

Example mind map visualisation of TestingCatalog website added as source via Claude
Example mind map visualisation of TestingCatalog website added as source via Claude

Context on NotebookLM

NotebookLM, powered by Google’s Gemini AI technology, has been designed as an advanced research assistant. It allows users to upload various types of content (e.g., documents, PDFs, YouTube links) and interact with it through summaries, Q&A sessions, and audio overviews. The tool focuses on grounding its outputs in user-provided sources rather than generating generic or hallucinated responses.

Recent updates to NotebookLM include:

  1. Enhanced interactivity through features like Audio Overviews.
  2. A premium version called NotebookLM Plus for businesses and teams, offering expanded limits and customization options.

Significance of Interactive Mind Maps

If implemented, this feature could:

  1. Provide a more intuitive way to explore connections between different sources.
  2. Enhance collaboration by offering visual summaries of shared notebooks.
  3. Cater to visual learners by presenting information in an easily digestible format.

Timeline and Availability

There is no confirmed release date for this feature. Given its experimental status, it’s likely undergoing internal testing or limited trials before broader rollout. NotebookLM itself has been transitioning from an experimental tool to a more polished product since late 2024.

Why This Matters

Interactive mind maps could significantly expand NotebookLM's utility in fields like education, research, and project management. By offering an alternative way to navigate and synthesize information visually, it complements existing features such as text-based summaries and audio discussions.