Alarms - Set an alarm to display a message after a preset interval. Waiting for the kettle to boil or something cooking the user can set a message to appear on their computer when its ready so they can keep on doing what they need to do.

Reminders - Plan your calendar with iClocks reminders. Quickly set the date and time of whatever you need to be reminded about and then set its title and message. This is also integrated into the Calender, so dates with reminders are checked with a alarm clock by them.