NOTIFICATION METHOD, NOTIFICATION DEVICE, NOTIFICATION SYSTEM, STORAGE MEDIUM, ELECTRONIC MESSAGE BOARD SERVER, AND MOBILE TERMINAL

摘要

A notification method includes the steps of: (a) receiving an operation signal for operating an electrical appliance; (b) determining whether or not to deny an operation indicated by the operation signal; and (c) when the step (b) determines to deny the operation, causing an electronic message board to display thereon an object indicating that the operation is denied.