| 摘要 |
PROBLEM TO BE SOLVED: To provide advertisement media which have a high attention rate and high efficiency by using a portable terminal. SOLUTION: When electronic mail data are sent from a transmitting terminal 16A to a receiving terminal 16B through a PHS network 12, electronic mail data 106 having property data on the sender attached to an electronic mail data main body are sent. A repeating device 22 performs retrieval from databases 24 and 26 according to the property data in the electronic mail data 106 and sends electronic mail data 110 and 112 to which advertisement data corresponding to the property data are attached to the receiving terminal 16B and transmitting terminal 16A. Advertisement, etc., is displayed on the display parts of the receiving terminal 16B and transmitting terminal 16A at the same time together with the contents of the electronic mail. |
