I added one line to my NotebookLM prompts, and the difference was immediate - XDA
One line changed everything. Google's Gemini Notebook (formerly NotebookLM) just shipped a fix that solves the organization problem every researcher has been complaining about.
Why it matters
Google is iterating aggressively on Gemini Notebook's UX and naming it as a core AI Pro product, signaling a shift from experimental tool to mainstream research infrastructure. The prompt optimization story suggests the product is hitting real adoption friction points.
The key facts
9 to knowNotebookLM rebranded to Gemini Notebook
Gemini 3.5 + Antigravity upgrade coming to AI Pro
Organization/UX improvements shipped
User-facing prompt optimization driving measurable improvements
Product now positioned under Google's Gemini family
Gemini 3.5 upgrade coming to AI Pro tier
Organization/UX improvements shipping
Prompt engineering optimization demonstrates product maturity
Integration with broader Gemini product line
Go to the source
Reuters Technologynews.google.com
Publisher excerpt: I added one line to my NotebookLM prompts, and the difference was immediate XDA NotebookLM is now Gemini Notebook blog.google Google is renaming NotebookLM to Gemini Notebook The Verge NotebookLM is now Gemini Notebook, with 3.5 + Antigravity upgrade coming to AI Pro 9to5Google Google finally fixes…