Observed Signal · Jul 15, 2025 · Technical Release · Source: OnlineMarketing.de · Impact: 4/5 · Sentiment: Neutral
Google NotebookLM Adds Curated Featured Notebooks
Google is upgrading NotebookLM with a new Featured Notebooks feature that bundles thematically curated knowledge collections, created in collaboration with partners such as The Economist, The Atlantic, renowned author Dr. Eric Topol, and the University of Oxford. The notebooks fuse journalistically informed depth with scientific framing and AI-based analysis, enabling users to read longform content, have the AI summarize or rephrase text, and explore ideas via quotes, audio snippets, and mindmaps. Included contents include The Economist's The World Ahead annual report, Topol health guidance, Shakespeare works, and quarterly reports from major publicly traded companies, as well as materials from the Techno Sapiens Newsletter. The update positions NotebookLM as a structured knowledge workspace rather than a simple Q&A tool, supporting deeper exploration for students, marketers, and knowledge workers. Google emphasizes curation from quality sources over generic web data, with support from partners like Nicholas Thompson underscoring its value.
Major platform feature release by Google (NotebookLM) introducing curated notebooks from reputable sources
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Key Takeaways & Evidence Grounding
- Google added Featured Notebooks to NotebookLM with curated content from The Economist, The Atlantic, Dr. Eric Topol, and University of Oxford.
- Notebooks combine longreads, scientific context, and AI-based analysis with Mindmaps and quote functionality.
- Included content features: The World Ahead report, Shakespeare, Topol health tips, 50+ company quarterly reports, Techno Sapiens Newsletter.
- Content can be read inside NotebookLM and analyzed, summarized, or rewritten by AI; audio clips and quotes included.
- Public demonstration via a YouTube video; article references adjacent AI modes and competition from OpenAI.
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Google updates NotebookLM with Gemini 3.5, new research features
Google announced an update to its NotebookLM research tool on June 8, 2026, making Gemini 3.5 the default model and adding Antigravity-powered software skills. The update lets users start a chat about a project and have NotebookLM suggest and pull sources (including non-English primary sources) via its research skills and Google Search to build a knowledge base without requiring users to supply documents first. NotebookLM now supports detailed instruction-driven outputs, editable generated results, provenance-style chat steps showing how answers were reached, and exports to multiple formats (images, documents, structured data, Excel/PowerPoint). The features are available to Google AI Ultra users and Workspace business customers with AI Ultra and AI Expanded Access, with wider rollout planned.
Google NotebookLM Adds New Output Formats, Agentic Chat
Google updated NotebookLM to produce new output formats (charts, structured data, documents, spreadsheets, presentations and AI-generated images) and to improve agentic research and chat workflows. NotebookLM can now generate data visualizations (png, svg), documents (PDF, docx, markdown), structured data (csv, json), Excel (xlsx) and PowerPoint (pptx) files, and images via Nano Banana (png, jpg, gif). The product integrates with the Gemini App for notebook synchronization and is powered by Gemini 3.5 and Google’s Antigravity agent platform. Each notebook now has a dedicated Cloud Computer able to run code and access 100+ software skills to automate research tasks. The expanded outputs and agentic features are initially available to Google AI Ultra and Workspace Business customers with AI Ultra / AI Expanded Access and require a paid subscription.
Google Expands Gemini Notebook with Visible Thinking Steps
Google has renamed and expanded NotebookLM into Gemini Notebook, a more integrated research workspace that connects the Gemini app, Google Search and Google Workspace. New user-facing features include expandable "thinking steps" for eligible Google AI Ultra and Pro subscribers, in-notebook code execution, and continued citation-backed outputs (Audio Overviews, Mind Maps). The rollout is phased (initial access for Google AI Ultra and Workspace AI Ultra Access, then Pro on the web) with mobile expansion planned. Google says uploaded sources remain private and are not used to train models; the company frames thinking steps as experimental and an inspection aid rather than proof of correctness.
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