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negativeSYS.SOURCE: Buchodi• 2026-09-20T15:18:44Z

OpenAI's ChatGPT Tracks Cross-Site User Activity via Ad Collector Cookie

OpenAI's ChatGPT tracks cross-site user activity through an ad collector cookie (__obi) that links browsing behavior to user accounts. The cookie transmits data like search terms, purchase behaviors, and personal information to OpenAI via advertiser sites using OpenAI's ad platform.

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> CURATED VIDEO PLATFORM LEVERAGING HACKER NEWS RECOMMENDATIONS> NES CONTRA (1987) NATIVE PORT VIA WEBASSEMBLY> CRITICAL LINUX IPV4 TCP USE-AFTER-FREE VULNERABILITY CVE-2026-98432 WITH CVSS 9.8 SEVERITY> RESPONSIBLE DISCLOSURE OF CPU SIDE-CHANNEL VULNERABILITIES AND ETHICAL RESPONSIBILITIES IN COMPUTER SECURITY> GPT-5.6 SOL COMPLETES PEACEFUL FACTORIO RUN IN 13.5 HOURS> MEMORY LATENCY'S IMPACT ON CPU UTILIZATION IN DATABASE GROUP BY OPERATIONS> THE IMPACT OF GENERATIVE AI ON CRITICAL THINKING: A SELF-REPORTED STUDY (2025)> WILLIAM NORDHAUS, NOBEL LAUREATE IN ECONOMICS, DIES AT 85 AFTER PIONEERING CLIMATE-ECONOMY RESEARCH> CYBERSECURITY BREACH EXPLOITS LED DISPLAY SOFTWARE VULNERABILITY ACROSS MULTIPLE COUNTRIES> US COPYRIGHT OFFICE CLARIFIES AI-GENERATED CONTENT COPYRIGHT ELIGIBILITY> CURATED VIDEO PLATFORM LEVERAGING HACKER NEWS RECOMMENDATIONS> NES CONTRA (1987) NATIVE PORT VIA WEBASSEMBLY> CRITICAL LINUX IPV4 TCP USE-AFTER-FREE VULNERABILITY CVE-2026-98432 WITH CVSS 9.8 SEVERITY> RESPONSIBLE DISCLOSURE OF CPU SIDE-CHANNEL VULNERABILITIES AND ETHICAL RESPONSIBILITIES IN COMPUTER SECURITY> GPT-5.6 SOL COMPLETES PEACEFUL FACTORIO RUN IN 13.5 HOURS> MEMORY LATENCY'S IMPACT ON CPU UTILIZATION IN DATABASE GROUP BY OPERATIONS> THE IMPACT OF GENERATIVE AI ON CRITICAL THINKING: A SELF-REPORTED STUDY (2025)> WILLIAM NORDHAUS, NOBEL LAUREATE IN ECONOMICS, DIES AT 85 AFTER PIONEERING CLIMATE-ECONOMY RESEARCH> CYBERSECURITY BREACH EXPLOITS LED DISPLAY SOFTWARE VULNERABILITY ACROSS MULTIPLE COUNTRIES> US COPYRIGHT OFFICE CLARIFIES AI-GENERATED CONTENT COPYRIGHT ELIGIBILITY