Gemini Notebook Rebranding Masks Core Usability Gaps Filled by Third-Party Plugin

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Google renamed NotebookLM to Gemini Notebook in July 2026, investing significant effort in branding, logo updates, and global press releases. However, a developer analysis argues the product lacks fundamental data-management features such as editing, exporting, or deleting sources. A third-party Chrome extension called ExtendLM fills these gaps, prompting the author to claim Gemini Notebook functionally depends on the plugin to operate as a usable research tool. The article contends that Google prioritized measurable branding milestones over core product quality improvements. Critics argue that framing third-party workarounds as a thriving ecosystem obscures the absence of basic functionality in the official product.

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