Perplexity's 'Incognito Mode' Exposed: Lawsuit Reveals AI Search Engine Shares Users' Conversations with Google and Meta

As technology continues to advance, concerns about online privacy have become increasingly pertinent. Recently, a proposed class action lawsuit has raised eyebrows by alleging that Perplexity’s AI-powered search engine engages in dubious practices that compromise user confidentiality. The complaint claims that the company’s “Incognito Mode” is nothing more than a facade, failing to protect users’ sensitive information from being shared with third-party entities like Google and Meta.

At the heart of the lawsuit are concerns about how Perplexity handles conversations between its users and AI agents. According to the allegations, when users engage in chat sessions, their initial prompts are always shared, regardless of whether they have signed up for a Perplexity account or not. This includes follow-up questions that users click on, which are also transmitted to Google and Meta without their knowledge or consent.

Moreover, the lawsuit suggests that non-subscribed users may be even more vulnerable than those who have signed up for an account. Their initial prompts, it is alleged, are shared with a URL through which the entire conversation can be accessed by third-party entities like Meta and Google. This raises serious concerns about the privacy of these users’ sensitive information.

The “Incognito Mode” is allegedly no better, as even paid users who opt-in to this feature still have their conversations shared with Meta and Google, along with personally identifiable information (PII) such as email addresses and other identifiers that allow for personal identification. This goes against the basic principles of privacy and confidentiality, which are essential in today’s digital landscape.

The lawsuit also highlights the alarming nature of Perplexity’s alleged practices by likening ad trackers to “browser-based wiretap technology.” It suggests that these tech giants have created a system that enables them to snoop on private chat logs without users’ knowledge or consent. This is a violation not only of state and federal laws but also of the trust that users place in these companies when they sign up for their services.

As the world grapples with the implications of AI-powered search engines, this lawsuit serves as a stark reminder of the importance of online privacy. It is essential that companies like Perplexity prioritize user confidentiality and transparency in their practices to prevent similar allegations from emerging in the future. The consequences of failing to do so can be severe, including damage to reputation, financial losses, and erosion of public trust.

In conclusion, the proposed class action lawsuit against Perplexity highlights a pressing concern about online privacy and the need for companies to prioritize user confidentiality. As technology continues to evolve, it is crucial that we hold these companies accountable for their actions and ensure that they respect users’ rights to maintain their online anonymity.

Analysis based on: https://arstechnica.com/tech-policy/2026/04/perplexitys-incognito-mode-is-a-sham-lawsuit-says/