"The event data collected via the Pixels is used for targeting our ads, improving ad delivery and for personalized advertising. For this purpose, the event data collected on our website by means of the pixels is transmitted to Google Ads... By visiting this website, Amazon will receive the information that you have accessed our website."
User event data and browsing behavior are transmitted to Google, Amazon, Facebook, TikTok, Reddit, Snap, AppsFlyer, and Olark, constituting extensive third-party data sharing across advertising and analytics partners.