Quickly add events to your calendar from any email

So I'm still trying to figure out how to 'use' this, honestly. Can you articulate the first-time use experience people should have?
HA :) We were experimenting on what things we can automate in people's life.
Using it. Loving it. It works. Thanks @msg.
@scotthurff great to hear! thanks for sharing.
Have been using this for a few months now. It's fantastic.