Patent ID: 7366689

Claim:
A method for notifying a user of information about a commodity from a server computer accepting a request in a system offering the commodity at the request of the user, comprising: causing the server computer to make an inquiry to a user about a request level of purchase of a commodity if the commodity requested by the user cannot be offered, the request level indicating at least a reservation request for reservation of the commodity if the commodity becomes available or a notification request for notification if the commodity becomes available; causing the server computer to receive request level information which indicates the request level from the user; causing the server computer to transmit, to a user terminal of the user, commodity offering information about offering of the commodity based on the request level information received from the user, when the commodity which could not be offered becomes available, the commodity offering information being transmitted to a first user who issued the reservation request prior to a second user who issued the notification request; and causing the server computer to transmit corresponding commodity offering information to a number of users whose reguest levels are high, in descending order of request level, if the reguest level information is received from a plurality of users where the number of users receiving the commodity offering information is determined based on a quantity of the commodity that can be offered.