Each hour, Meta’s Muse updates its dossiers on you and the people you’ve mentioned in chats, messages, and emails that Muse has read. These pages amount to a ma

Each hour, Meta’s Muse updates its dossiers on you and the people you’ve mentioned in chats, messages, and emails that Muse has read. These pages amount to a map of each user’s social relationships, a TIME analysis of Muse’s internal instructions found. The level of insight in the resulting dossier…