Adding “2021” situates this sequence mid-pandemic. That year accelerated digital activity—more accounts created for remote work, shopping, socializing, and subscriptions. It was common to juggle multiple emails to separate work, personal life, subscriptions, and throwaway sign-ups. The “2021” tag marks both a timestamp and a cultural context: a moment when email remained essential even as apps and social platforms multiplied.
Researchers use them to identify patterns in credential reuse. Adding “2021” situates this sequence mid-pandemic