The invention provides a semiconductor device where data can be written after the production and forgery caused by rewriting of data can be prevented, and which can be manufactured at a low cost using a simple structure and an inexpensive material. The speech recognition file may include a speech recognition algorithm for converting one or more voice commands into text and a database including one or more entries comprising one or more voice commands and one or more executable commands associated with the one or more voice commands. The ad inventory may be displayed on an interactive map that is used for selecting from the inventory based on the geographic location. Furthermore, the communication device downloads a role from the information device connected to the network using the agent downloaded therefrom, where the role is provided as script data in which part of the contents of processing of the readerwriter performed by the agent.