encryption

OpenAI has disproved the Exponential Time Hypothesis, a longstanding conjecture that some problems would always be hard for computers to solve quickly. Co-proposer Russell Impagliazzo called the result "shocking news," the New York Times reports.

Meta is rolling out Incognito Chat, an end-to-end encrypted AI chat mode that stores no conversation logs on servers. According to Meta CEO Mark Zuckerberg, messages are deleted when users leave their session, contrasting with Google's 72-hour and OpenAI's 30-day retention periods for temporary chats.

Meta is rolling out Incognito Chat with Meta AI on WhatsApp, offering end-to-end encrypted conversations with its AI assistant that the company cannot read. The feature uses Meta's Private Processing technology to handle messages in a secure environment where they are not saved or used for model training.