And they are starting their own ad network. https://todaysecommerce.com/2024/06/costco-is-working-on-ad-network-based-on-its-customer-data-for-online-and-in-st

And they are starting their own ad network. https://todaysecommerce.com/2024/06/costco-is-working-on-ad-network-based-on-its-customer-data-for-online-and-in-store-business/ https://todaysecommerce.com/2024/06/costco-is-working-on-ad-...