A user has sued Perplexity, Google, and Meta for sharing sensitive chat logs without consent. According to the lawsuit, Perplexity’s “Incognito Mode” is ineffective and does not protect users’ personal information.
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What are the privacy concerns with Perplexity's Incognito Mode?
A lawsuit alleges that Perplexity shares users' chat logs with Google and Meta without consent, despite offering an Incognito Mode. The complaint states that sensitive data, including financial and health information, is exposed to third parties. It also claims Perplexity fails to disclose its use of ad trackers and hides its privacy policy.
- Summary: Perplexity is accused of sharing entire chat logs from both subscribers and non-subscribers with Google and Meta, violating privacy laws.
- Why it matters: The case raises issues about transparency and data protection in AI services, especially regarding sensitive personal information.
- Key point: The lawsuit highlights that Perplexity's Incognito Mode does not effectively prevent data sharing and that users are not properly informed about these practices.

Perplexity and Sharing Sensitive Data in Incognito Mode
The lawsuit alleges that Perplexity, an AI search engine, shares entire chat logs with Google and Meta without users’ knowledge. This applies to both subscribers and non-subscribers. The plaintiff, John Doe, claims that sensitive information, including financial and health data, was shared with these companies. According to the lawsuit, this is especially problematic for non-subscribers, whose conversations can be accessed by third parties via a URL. The plaintiff describes ad trackers as “browser-based eavesdropping technology” that allows Google and Meta to monitor private conversations.
The plaintiff expresses concern that his family’s financial data was shared, noting he uses Perplexity for managing taxes and obtaining legal advice. The lawsuit points out that Perplexity does not inform users that their data is shared and hides its privacy policy. This may cause users to overlook important details about how their data is handled. Perplexity is also accused of violating both state and federal laws by failing to disclose the use of ad trackers. The plaintiff seeks damages and punitive penalties, emphasizing that without a court injunction, he will have to stop using the search engine.
Implications for Privacy and AI Services in the U.S.
AIny brief analysis: This lawsuit highlights growing concerns about privacy in AI-powered services in the U.S. Companies offering AI tools must be transparent about data sharing practices and ensure robust protections for user information. Stricter privacy regulations and clearer disclosures may become necessary to prevent similar issues and maintain user trust.
Source: Ars Technica
Read the full story in Norwegian
Les pĂĄ norskRead also: New AI Models, Video Tools, and Growing Privacy Pressure

