"Buying from an Amazon third-party seller or brand may soon see you automatically signed up to a personalized email marketing campaign... Until now, Amazon only allowed sellers to target individuals who opted to "follow" their store or brand through its website, but Tailored Audiences removes that restriction and replaces it with three customer groups that can be targeted with personalized marketing. Those groups are Repeat Customers (ordered in the past 12 months), High-Spend Customers (top 25% of spenders), and Recent Customers (most recent 20%)..." https://www.pcmag.com/news/brace-yourself-for-a-flood-of-marketing-emails-from-amazon-sellers-brands
