Meta's Muse AI Is Winning Over Older Adults. Privacy Experts Are Worried

In mid-October, 82-year-old Eileen Fay learned that her medication costs were in danger of skyrocketing. The federal government was preparing to change its rules on low-value imports, threatening her ability to purchase cheaper prescription medications for blood thinning and heart failure from Canada. Fay didn’t know what to do. So she turned to Muse, Meta’s new AI agent, which she had started using a few weeks earlier. After Fay described her situation to the agent, Muse returned a two-page fact sheet comparing the cost and coverage of several Medicare Part D plans. It then suggested the two best options, including one Fay had never heard of—a plan that could save her more than $6,000 a year. Fay says she checked the work and found the information accurate.“I’m not saying I couldn’t have done it—but I would have had to use a calculator trying to figure out the cost of nine different medications, and it would have been very complex,” Fay says. “And she did it in 10 minutes, and I was like, ‘I’m sold.’”Fay is one of millions who have adopted Muse since its September launch. The app reached 10 U.S. million downloads in just 40 days—compared with 3.7 million U.S. downloads for ChatGPT...