COMMUNICATION SYSTEM, DATA PROCESSING DEVICE, DATA PROCESSING METHOD, DATA PROVIDING DEVICE, DATA PROVIDING METHOD, AND PROGRAM

摘要

A communication system, a data processing device, a data processing method, a data providing device, a data providing method, and a program capable of providing a service in accordance with a user request. An execution button indicating an executable function is displayed in a predetermined display format and an addition button indicating a function which can be added is displayed in a display format different from the predetermined display format. When a download button for requesting download of software executing the function indicated by the execution button is operated, the software is downloaded and the addition button indicating the function realized by executing the software is updated by the execution button and displayed.