1. An apparatus for providing a reminder of a task to be performed at a task location, the apparatus comprising: a monitoring module configured to receive a location of a user via a mobile communication device associated with the user at predetermined time intervals for tracking historical travel information of the user; a data store for storing user specified task information that includes a task and a task location; and a reminder module configured to generate a reminder for the task based on a comparison of an estimated probability of the user traveling in a trajectory leading toward the task location and an estimated probability of the user traveling in a trajectory leading away from the task location.