@kazani: Chrome silently installs 4 GB AI model without consent

Google Chrome silently installs a 4 GB AI model on your device without consent. At a billion-device scale the climate costs are insane. https://www.thatprivacyguy.com/blog/chro… Google Chrome is silently downloading and installing a 4 GB AI model (Gemini Nano) onto user devices without explicit consent or notification. This silent installation violates ePrivacy Directive Article 5(3) and GDPR Article 5(1) principles of lawfulness, fairness, and transparency, as well as Article 25 data-protection-by-design. The environmental cost of distributing this 4 GB model across potentially billions of devices is significant, estimated between six thousand and sixty thousand tonnes of CO2-equivalent emissions per push. The AI model file, named weights.bin, is stored in the OptGuideOnDeviceModel directory and automatically re-downloads if manually deleted by the user. Verification of the silent installation was confirmed through macOS filesystem event logs, Chrome's internal state files, and Google Updater logs, demonstrating a clear pattern of unrequested data transfer. The 'AI Mode' pill in Chrome's address bar is misleading, as it directs queries to cloud-based models rather than utilizing the silently installed on-device Gemini Nano model. This practice mirrors a similar issue with Anthropic's Claude Desktop, indicating a pattern of 'dark patterns' where user consent is bypassed for product deployment. Removing the AI model requires disabling Chrome's AI features via chrome://flags or enterprise policies, or uninstalling Chrome entirely, making it difficult for average users to opt-out. The silent installation and its associated environmental impact could be considered a notifiable event under the Corporate Sustainability Reporting Directive (CSRD). Google should implement explicit consent mechanisms, surface AI model information in settings, document downloads clearly, respect user deletions, and disclose the environmental footprint of such deployments.