The tech tracks website visitors and activities, and thus gives Meta access to customers’ personal data as well as pharmacy users’ “highly personal health information.”

The code is designed to help businesses track the effectiveness of their advertising, according to Meta’s Help Center, though it’s unclear why Costco would need to use the technology in the health care portion of its website, where customers can order or refill prescriptions.

Thaler, S. (2023, October 10). Costco accused of sharing customers’ ‘highly personal’ health data with Facebook owner Meta. New York Post. https://nypost.com/2023/10/10/costco-accused-of-sharing-customers-health-data-with-meta/