Abstract: Use of the communication system is made comfortable. A method includes receiving identification information of a transmitter; acquiring data corresponding to identification information of a group to which a transmitter belongs received from information processor for transmitting data corresponding to identification information of a group set as a group configured by a plurality of transmitters; accepting designation of a group of transmitters in which display of received data is restricted according to an operation by a user; determining, if a group in which display of data is restricted is not designated for the transmitter identified by the newly received identification information, data corresponding to identification information of the group is to be displayed; and displaying on a display the data corresponding to the identification information of the group if the data is determined to be displayed.