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Story summary
- Meta’s Muse AI agent app launched on September 8, 2026, topping Apple’s US free chart.
- Muse reached over 3.4 million downloads within ten days.
- Walmart, Sephora, Best Buy, GameStop, Expedia, OpenTable and Shopify signed integration deals with Muse.
- Amazon blocked Muse from its store, citing lack of notice and data-handling concerns.
- Meta’s shares rose over 10 % while Expedia, Airbnb and TripAdvisor fell about 5 %.