Thirteen days after the early-read on Meta's Muse Agent, the Connect 2026 keynote landed and changed the rules mid-experiment. Here is the honest 2-week diary: 3 jobs that are now permanent in my daily workflow, 2 places where Muse Agent fell short this week, and 2 watch-items for the next 30 days as Meta distributes from US-only to glasses, Mac, and the rest of the planet.
Meta launched Muse Agent on September 8, 2026 — a personal AI agent that lives inside WhatsApp, Instagram DM, and the Meta AI glasses, and runs in a dedicated 'Secure VM' on top of the Muse Spark model. Marketers didn't get a launch deck; they got a new default inside the surfaces they already pay to reach customers on. Here's the routing principle for which marketing jobs to give it, which to keep on other tools, and what to watch this quarter.
