AMP Email
AMP Email is another initative launched by Google/Gmail in 2018, which uses a special HTML-style syntax for the definition of visually appealign email. AMP especially supports interactive elements and dynamically updated content in emails.
It is currently supported by:
- Senders: Netcore
 - Email providers: Gmail, AOL/Yahoo, Yandex
 - Tools: Vendor-specific clients of the providers mentioned before
 
Further information: https://amp.dev/about/email/