The Journal. The Journal.

Our Reporter Tried Meta’s Viral AI Agent. Should You?

Sep 30, 2026 · 20m

Summary

Meta's new AI agent, Muse, is taking agentic AI mainstream by handling personal tasks like booking flights and managing calendars. WSJ tech columnist Nicole Wall Street tests the tool, finding it helpful yet "creepy" as it aggressively requests access to sensitive data like emails and bank accounts. The episode highlights significant risks, including AI hallucinations, prompt injection attacks, and privacy concerns given Meta's history. While Muse promises to free up time by automating life admin, the trade-off involves surrendering control over vast amounts of personal information to a sys…

Topics discussed

Intro and Journal live show announcement Meta launches Muse AI agent Muse vs ChatGPT and user experience Show introduction and sponsor reads Sponsor segments: Credit Karma and Indeed Naming the agent and avatar customization Test 1: Buying a bike rain cover Test 2: Pilates referral and AI hallucinations Data access, calendar, and email integration Sponsor segments: Snapdragon and ServiceNow Security risks and prompt injection attacks Meta's privacy history and security measures Impact on online advertising and web design Future of agentic AI and final verdict Outro and sponsor segments: AWS and Amex
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