1. The document discusses sending calendar invites to a VIP list of up to 500 email addresses using Calendarsnack. It outlines the workflow of creating an event, getting the event ID, adding email addresses and the ID to a CSV file, and sending that file to Calendarsnack to automate sending the invites. 2. It also describes how to set up an upcoming landing page for the event and include RSVP buttons in email promotions by copying code from Calendarsnack. Customers can then RSVP directly from the button or landing page. 3. Reporting in Calendarsnack allows reviewing details on the calendar invites sent and RSVPs received from the bulk mailing.