Smart notifications using a calendar

A computer-readable medium storing computer-executable instructions for delivering a notification that is associated with an event in a calendar, comprising:

• determining a context of a group member;
• selecting a notification type based at least in part on the context of the group member;
• creating the notification based on the event in the calendar;
• delivering the notification to the group member using the selected notification type;
• determining when a state change of the event occurs;
• and
• automatically sharing a state notification with a different group member of the group that informs the different group member of the state change of the event.

A system for delivering a notification, comprising:

• a processor and memory;
• an operating environment executing using the processor;
• and
• a notification manager that is configured to perform actions comprising:
• determining an event on a calendar;
• creating a notification for the event;
• determining a context of a group member;
• selecting a notification type based at least in part on the context of the group member;
• delivering the notification to the group member using the selected notification type;
• determining when a state change of the event occurs;
• and
• automatically sharing a state notification with a different group member of the group that informs the different group member of the state change of the event.