Interest-Based Advertising. We may work with third-party advertising companies and social media companies to help us advertise our business and to display ads for our products and services. These companies may use cookies and similar technologies to collect information about you (including the online activity information and device information described above in the section called “Personal Information Automatically Collected”) over time across our Services and other websites and services or your interaction with our emails, and use that information to serve ads that they think will interest you. In addition, some of these companies may use hashed customer lists that we share with them to deliver ads to you and to similar users on their platforms.
To me it looks like they do just that: