1. First and second mobile wireless communication devices configured to perform the steps of: inputting, by the first device, a first task to be performed, from among a list of tasks residing on the first device; inputting, by the first device, an identification of the second device from among a contact list residing on the first device; sending, from the first device to the second device, a request to link the first task to a second task to be performed; sending, from the second device to the first device, an acceptance to the request to link the tasks; sending, from the second device to the first device, in response to the second task being completed, a notification to the first device; and providing, by the first device in response to receiving the notification, a reminder to perform the first task.