If you provide a thumbs up, thumbs down, or written feedback on a Gemini response, that feedback and the associated conversation may be retained and reviewed by Google staff to improve the AI.
Providing feedback on a Gemini response can trigger human review of that specific conversation, meaning users who interact with rating features should assume a higher likelihood that their conversation will be seen by a person.
Linking feedback actions to human review of associated conversation content raises GDPR transparency concerns under Articles 13-14 regarding the secondary use of feedback data, and requires clear disclosure that feedback submissions trigger expanded data processing.
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Your conversations with Gemini, including any personal or sensitive information you share, may be reviewed by Google employees and used to train AI models. Chat history is retained for up to 18 months by default, and Google may use this data across its broader ecosystem of services. You can delete your Gemini conversation history by visiting myactivity.google.com and disabling or clearing Gemini Apps Activity.