If nobody remembers to check in to an event in Organizer, the other 30 people there won't either. Having a simple push notification that runs in a web worker to remind people to check-in would go a long way towards adoption rate in organizations.
[ ] "Are you at $SOME_EVENT?" for when you are within the check-in radius and time of an event
[ ] "Starting in 15 minutes: $SOME_EVENT" for when you are within the check-in radius of an event but outside the time window.
[ ] "Later this evening: $SOME_EVENT" For when its almost quittin' time and there's an after-work activity
If nobody remembers to check in to an event in Organizer, the other 30 people there won't either. Having a simple push notification that runs in a web worker to remind people to check-in would go a long way towards adoption rate in organizations.