Information-display system, an information-display method, an information-display server, and an information-display program

摘要

An information-display system, an information-display method, an information-display server and an information-display program are provided that enable updating of a presence status on a real time basis without useless accesses, while facilitating changes of the kind of information to be displayed and facilitating improvements. The information-display system includes information display terminals and an information-display server, wherein the server transmits a notice to the terminals indicating that there is an update, and then, the terminals acquire and display the updated information.