With ticketing rules, you can create conditions to register for the event, e.g, unless attendee registered for the conference, can't register for a session in the conference.
Priority Registration allows you to control who can register for the event.
Lets attendees to edit their registration profile information, and you can give access to exclusive content meant for the attendees.
Create sub-managers for team management of the event. You can set access controls and delegate tasks to sub-managers, e.g, sub-managers that are allowed to check-in attendees at the venue.
Kathy O'Hern of Montana Association of Weavers & Spinners.