Oh yeah, it is something new around the corner there. Google AMP for email.
What does Google AMP for Email do?
AMP for Email will make it possible to take simple actions (like booking a calendar appointment or RSVP-ing an event) directly within the layout of the email – users can interact with content without leaving the Gmail client and without visit a website.
What does Google AMP for Email look like?
Something like this:
What can I do in Google AMP for email? What does an AMP-ed email do?
We are likely to find out, what crazy stuff “people” will come up with.
Amp by Example has a dandy list of functions and codes for AMP. Will add the ones that work here, directly linked.
When will I start seeing Google AMP for email-emails in my inbox?
Never, well.. at least not yet. Currently it is limited to the developer preview and email developers sign up for it and start testing the waters before AMP support will be enabled for Gmail inboxes (later in 2018.) You can sign up for the developer preview here, but you have to sign an NDA, so don’t go tell anybody about it.