ChatGPT advertising system reportedly tracks users across websites
Brief
OpenAI’s advertising infrastructure can link activity on third-party advertiser websites to a user’s ChatGPT account through a cross-site cookie called __obi. The mechanism resembles established ad-tech tracking systems, but its use around an AI assistant raises additional privacy questions because ChatGPT conversations can be highly sensitive. Independent researcher ‘Buchodi’ reproduced the behavior on Chrome for …
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