Gmail annotations was a big development that Google brought to promotional emails in the Promotions tab. Originally, only two annotated emails were displayed at the top of the Promotions tab.
However, it is looking like Gmail is starting to display emails with
Gmail Starts Displaying Email Annotations Within the Main Promotions Tab List
Posted in Email, Email Marketing, Gmail Annotations by Justin On November 24, 2020
Designing Creative Transactional Emails to Stand Out in the Inbox
Posted in Email Marketing, Email Resource by Kevin George On November 14, 2020