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Story summary
- OpenAI allows advertisers to place ads in ChatGPT and target users by email, phone or Android ID.
- Advertisers must upload lists of at least 25,000 raw or hashed identifiers, with smaller lists limited to exclusion.
- OpenAI says uploaded files are deleted within 24 hours but has not confirmed that raw data are hashed.
- Users can opt out of ad personalization, yet ads may still appear based on the current chat.