Abstract: An event invitation method according to this invention comprises the steps of acquiring position information of a customer registered in advance; judging whether or not information concerning an invitation to an event to a terminal of the customer based on at least a positional relationship between the customer and a site of the event; and sending information concerning the invitation to the event to the terminal of the customer if it is judged that the invitation to the event should be sent to the customer. With this method, for example, by sending event invitation information to customers who can reach the event site by the opening time or ending time of the event, collection of customers who attend the event and resale of canceled tickets can be performed efficiently.

Abstract: An advertisement managing method for a broadcasting apparatus to transmit a broadcast, comprises a data acquisition information receiving step receiving, from a broadcast receiver, data acquisition information about an acquisition of data relating to music contained in the broadcast by the broadcast receiver, a preference information accumulating step accumulating the data acquisition information received in the data acquisition information receiving step as music preference information of a viewer, and a background music changing step changing background music of an advertisement based on the preference information prior to broadcasting the advertisement.

Abstract: A method for supporting activities of a sales promotion and an advertisement for contents performed by a contents provider through a mass-media institution includes receiving first contents information provided by the contents provider; receiving request information for use of contents information from the mass-media institution; extracting second contents information that corresponds to the request information from among the first contents information; transmitting the second contents information to the mass-media institution; receiving usage information on a record of an actual use of the second contents information by the mass-media institution; and calculating a cost to be paid to the mass-media institution based on the usage information.

Abstract: An event invitation method according to this invention comprises the steps of acquiring position information of a customer registered in advance; judging whether or not information concerning an invitation to an event to a terminal of the customer based on at least a positional relationship between the customer and a site of the event; and sending information concerning the invitation to the event to the terminal of the customer if it is judged that the invitation to the event should be sent to the customer. With this method, for example, by sending event invitation information to customers who can reach the event site by the opening time or ending time of the event, collection of customers who attend the event and resale of canceled tickets can be performed efficiently.