Patent ID: 8321266

Claim:
A method of providing advertisement information, the method comprising: (a-1) providing a processor that is connected to (i) a user information database that includes a plurality of advertisement categories and a plurality of priority rankings associated with the plurality of advertisement categories, (ii) an advertisement information database that includes a plurality of advertisement contents and (iii) a network service medium; (a-2) using the processor to send a request for information about a data addresser to the user information database; (a-3) using the processor to receive the information about the data addresser from the user information database in response to the request; (b) using the processor to acquire, from the user information database, an advertisement category with the highest priority ranking that matches a field of interests of the data addresser and a contents type selected by the data addresser; (c) using the processor to update a priority ranking of an advertisement category recorded in the user information database; (d-1) using the processor to submit an inquiry to the advertisement information database based on the advertisement category with the highest priority ranking and the contents type selected by the data addresser; and (d-2) using the processor to acquire, from the advertisement information database, advertisement contents with the highest priority ranking that match the advertisement category with the highest priority ranking, wherein the request for information about the data addresser is sent to the user information database when the data addresser transmits data to a data addressee.