Patent ID: 8423622
Filing Date: 2013-04-16
Classification: G06Q,H04L,H04W

Abstract:
1. A computer-implemented method for sharing current location information among users by using relationship information stored in a database, the method comprising: a) receiving data sent from a sender's communication device, the data containing self-declared location information indicating a physical location of the sender at the time the sender sent the data determined without the aid of automatic location determination technology; b) determining from the data the sender's identity and based on the sender's identity and the relationship information stored in the database, determining a plurality of users associated with the sender and who have agreed to receive messages about the sender, each of the plurality of users having a communication device; c) wherein the data sent from the sender's communication device does not contain an indication of contact information of said plurality of users; and d) sending a notification message to the communication devices of, among the users, only the determined users, the notification message containing the sender's self-declared location information.