Perplexity AI Sued for Secretly Sharing User Conversations With Meta and Google
Mubboo Editorial Team
April 2, 2026 · 4 min read
A proposed class-action lawsuit filed on April 1, 2026 in US District Court for the Northern District of California alleges that Perplexity AI embedded hidden tracking software in its search engine that transmitted user conversations to Meta and Google without consent. The plaintiff, a Utah man identified as John Doe, shared tax obligations, investment strategies, and family financial information with Perplexity's AI search engine — data he alleges was silently forwarded to both companies. According to the complaint, the tracking software downloads automatically when users log into Perplexity's homepage, giving Meta and Google access to the full content of AI conversations. The data transmission occurs even when users enable Perplexity's Incognito mode, which the platform markets as a privacy protection (Bloomberg, April 1, 2026). The lawsuit names Perplexity, Meta, and Google as defendants, alleging violations of federal and state privacy and fraud laws. The case is filed as Doe v. Perplexity AI Inc., 3:26-cv-02803.
What Does the Lawsuit Actually Allege?
The complaint describes a tracking mechanism integrated into Perplexity's codebase that automatically transmits user conversation data to third-party recipients. Meta and Google allegedly receive what the filing calls "full access" to exchanges between users and Perplexity's AI search engine. The lawsuit claims this access allows both companies to exploit sensitive data for advertising targeting and resale to other parties (Benzinga, April 1, 2026).
The Incognito mode failure is a central element of the case. Perplexity offers an Incognito feature that presents itself as preventing conversation data from being stored or shared. The complaint alleges this representation is false — the tracking software operates independently of the Incognito setting, transmitting data to Meta and Google regardless of the user's privacy preference. The plaintiff's conversations included details about personal tax obligations, family financial planning, and investment decisions — the kind of information that carries material risk if exposed to advertising networks.
Perplexity spokesperson Jesse Dwyer told Bloomberg the company had "not been served any lawsuit that matches this description." Meta directed inquiries to a Facebook help page stating that its policies prohibit advertisers from sending sensitive personal information through its tracking tools (Claims Journal, April 1, 2026). Google has not issued a public response to the allegations.
Is This Part of a Larger Pattern for Perplexity?
The privacy lawsuit arrives during a period of escalating legal conflicts for Perplexity. In March 2026, a federal judge issued a preliminary injunction blocking Perplexity's Comet browser AI agent from accessing password-protected areas of Amazon's website. The court found that Perplexity had disguised its AI agent as a regular Chrome browser session to bypass Amazon's access controls — a technical deception that violated Amazon's terms of service (Analytics Insight, April 1, 2026).
Amazon maintains a separate ongoing lawsuit against Perplexity over its "Buy with Pro" e-commerce feature, which Amazon alleges was built on unauthorized scraping of product listings, pricing data, and customer reviews. Reddit has also accused Perplexity and other AI companies of taking user-generated content to train AI models without permission or compensation. Multiple media organizations have filed similar intellectual property claims against the company (Seeking Alpha, April 1, 2026).
The pattern across these cases is consistent. Perplexity's growth strategy has repeatedly pushed past the boundaries of platform terms of service, intellectual property protections, and now user privacy expectations. Each case involves a different legal theory — unauthorized access, copyright infringement, privacy violations — but the underlying tension is the same: an AI company growing aggressively by treating other companies' data and users' personal information as freely available inputs.
Mubboo's take
This lawsuit exposes a tension at the center of AI search: users share their most private questions — financial details, health concerns, purchase research, family decisions — with AI assistants, expecting the same confidentiality they would expect from a private conversation. If AI search platforms monetize that trust through hidden tracking, the value proposition of conversational AI as a personal assistant collapses entirely.
For consumers using AI tools for shopping research, travel planning, or financial decisions, the takeaway is direct. The AI platform you trust with your questions is only as reliable as its data practices. Privacy is not a feature to be toggled on or off — it is a foundation that determines whether users can share honest, detailed queries without worrying about that data feeding advertising networks. Any AI consumer platform, including comparison services, that treats privacy as optional will eventually face the same reckoning Perplexity is facing now.
Mubboo Editorial Team
The Mubboo Editorial Team covers the latest in AI, consumer technology, e-commerce, and travel.