PROBLEM TO BE SOLVED: To solve the problem that an article, etc., is advertised frequently to irrelevant people and a sufficient result is not obtained although large advertisement rates are spent since a current advertising method uses the system wherein an enterprise which advertises or an advertisement company send an advertisement to many unspecified people unidirectionally.;SOLUTION: This invention is a completely new advertisement system which enables both an advertiser and people who receive an advertisement to obtain profit and then enables the people who receive the advertisement to obtain a reward by improving the push type advertisement system that people receive an advertisement unidirectionally so that general people actively join in the advertisement activities and can receive only their desirable advertisement.;COPYRIGHT: (C)2001,JPO
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