Methods and apparatus for thermal management of a precursor for use in substrate processing are provided herein. When a portable communication device has been lost or stolen, an entity may transmit a fingerprint scan-report trigger message to the device. The method of operating the communication system is executed by computer application programs that contains a user information control section 102 broadcasts information input from the facial expression input section 103, voice input section 104 and motion information input section 105, to other user terminals through the network 30 under the control of the network control section 101.