404 Media buys ads inside ChatGPT criticizing OpenAI's privacy practices, exposing conversation-based targeting
decisionleader · x · 2026-10-18
Per 404 Media's investigation (via The Neuron Daily): advertisers can target users inside ChatGPT using their conversations, email, or phone number. 404 Media stress-tested the system by buying ads inside ChatGPT that criticized OpenAI's own privacy practices — and they ran, demonstrating the real capabilities of the conversation-based ad targeting. The move marks ChatGPT's commercialization entering ad-targeting territory and raises major privacy concerns.
Related event: 404 Media Tests Show ChatGPT Ads Can Target Users by Email and Phone Number(2 posts)→
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