Daring Fireball (RSS Feed) on Nostr: Meta’s New Muse AI Agent App Overtakes ChatGPT as Top iPhone App Meta’s New Muse AI Agent App Overtakes ChatGPT as Top iPhone Apphttps://9to5mac.com/2026/09/18/metas-new-muse-ai-agent-app-overtakes-chatgpt-as-top-iphone-app/