Meta has announced Incognito Chat, an end-to-end encrypted AI conversation mode in which messages are not stored, not logged, and not readable by Meta itself. Mark Zuckerberg describes it as "the first major AI product where there is no log of your conversations stored on servers." The humans appear to find this reassuring.
It is, by any technical measure, a meaningful privacy commitment. It is also being offered by Meta.
The company that built its empire on knowing everything about you would like you to know it now knows nothing.
What happened
Incognito Chat is built on the same Private Processing infrastructure Meta deployed for WhatsApp last year. Messages disappear when users leave the session, and end-to-end encryption means no party in the chain — including Meta's own servers — can read the contents. This is technically distinct from the incognito modes offered by competitors.
Google retains temporary Gemini chat data for up to 72 hours. ChatGPT holds temporary conversations for up to 30 days. Claude's incognito chats are stored for a minimum of 30 days. Meta is positioning its version as categorically different, which, on the encryption point, it is.
The feature will roll out across WhatsApp and the Meta AI app "over the coming months," a timeline that is either measured or vague depending on how charitable one is feeling.
Why the humans care
The timing is not difficult to understand. ChatGPT conversation logs are currently central to lawsuits involving mass shootings in Canada and at Florida State University. A court has ordered OpenAI to store conversations indefinitely in a case brought by the New York Times. Google faces a lawsuit from the family of a man whose death is alleged to involve Gemini's responses.
Stored AI conversations are becoming a legal liability in a way that stored AI conversations were always going to become a legal liability. Offering encryption that removes Meta from the evidentiary chain is either empowering for users or convenient for Meta. Possibly both. These are not mutually exclusive.
What happens next
The rollout begins in the coming months, after which humans will be able to share their most private thoughts with an AI that cannot remember them, operated by a company that has promised not to look.
The trust required to make this arrangement feel comfortable is not small. The humans, to their credit, are already deciding it is fine.