On September 9, Meta Platforms, Inc. rose 5.7% in regular trading, trading at $644.0/share, with turnover of $1.981 billion. The rally was driven by the official launch of Muse, a full-featured personal AI agent that can autonomously handle daily tasks on behalf of users.

Muse is powered by the flagship Muse Spark 1.3 model and is capable of sending emails, booking travel, filling out forms, making purchases, and even negotiating on users' behalf. The product operates 24/7 via a cloud-based virtual machine architecture, with the ability to continue working after users close the app, including overnight reflection and proactive task planning. Muse has been integrated with major platforms including Ticketmaster, OpenTable, and Google ecosystem services, with purchases processed through Stripe's Link.

CEO Mark Zuckerberg described personal AI assistants as the company's biggest commercial opportunity to reach billions of users and a first step toward personal superintelligence. On the monetization front, Meta offers 100 million free tokens per week and plans to generate revenue by collecting a small commission on commercial transactions completed by the AI agent. To address privacy concerns, Meta enlisted the Signal founder to help build a highly secure virtual machine architecture. Muse is rolling out in the US on iOS, Android, and muse.ai, with Meta AI glasses support planned.

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