Patent ID: 7149504

Claim:
A method comprising: determining a current location of a mobile station; making a comparison of the current location to a designated location; based on the comparison, computing a next time to determine an updated location of the mobile station; and sending content associated with the designated location to the mobile station once the mobile station is located within a range of the designated location, wherein making the comparison comprises estimating a distance between the current location and the designated location, wherein computing the next time to determine the updated location of the mobile station comprises estimating a time interval to travel the distance between the current location and the designated location, wherein estimating the time interval to travel the distance between the current location and the designated location comprises using a predefined travel time that corresponds to traveling the distance between the current location and the designated location, and wherein computing the next time to determine the updated location of the mobile station comprises calculating a percentage of the predefined travel time, wherein the next time to determine the updated location of the mobile station is at least about 50% of the predefined travel time.