PROBLEM TO BE SOLVED: To provide proper information to serve smooth operations of any event, seminar, meeting, etc. while the detailed trend of visitors to the day concerned is grasped in real time and provide statistic information of high precision to serve for the marketing activities thereafter.;SOLUTION: The ID symbol indicated in a portable wireless terminal unit which each visitor to the event hall etc. possesses is read by an ID symbol reading device, and the visitors are specified with high precision in order to specify the visitors on the basis of the read data, and when the high precision specification information and the trend information meet the given conditions, the proper information to serve smooth operations of the event, seminar, meeting, etc. for the applicable day is transmitted to the portable wireless terminal units of the visitors. The statistic data is created on the basis of the specification and trend information of the expected visitors to allow them to read on the network, and the statistic information of high precision to serve the marketing activities thereafter of the staff to execute the event etc. is offered.;COPYRIGHT: (C)2004,JPO
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