
What happened
From November 11 (Japan time), Meta's personal AI agent Muse can be assigned a dedicated @muse.ai address, with users in Japan reporting addresses by November 12.
Why it matters
Muse can then email restaurants to book tables and turn forwarded scheduling mail into calendar entries — handling outbound tasks, not just chat, for paying users first.
WHO IT HITSPeople who use Muse for personal scheduling and errands — especially paying subscribers first — can hand off reservation emails and calendar filing, while restaurants and other businesses may start receiving booking requests sent by an AI agent on a customer's behalf.
Summaries like this, every morning.
The email address turns Muse from an assistant you talk to into one that can act in the outside world under its own identity. Meta announced the US and Canada launch on November 11, but availability appears to have reached Japan at roughly the same time, with users there reporting addresses by the following day. The setup asks users to choose both the address string and a sender name — described as something like an "AI agent acting for" the owner — which sets expectations for whoever receives the mail.
Beyond bookings, forwarded scheduling emails can be turned into calendar entries, and long messages can be sent to Muse for summarizing. The rollout starts with paying users and is slated to reach free users as well, though Meta has not said when.
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