| 摘要 |
PROBLEM TO BE SOLVED: To save customer's time and labor in commodity trading and to make it possible to strongly solicit the customer in commodity sales. SOLUTION: A salesman hands over, to the customer, an electronic business card 1 the surface of which the full name of the salesman or the like are printed on and which is provided with an IC chip 10 storing the network address or the like of a server 7 installed in a company of the sales side. The customer makes a personal computer 5 of the user side read the network address of the server 7 of the sales company from the IC chip 10 of the electronic business card 1, connects the personal computer 5 of the user side to the server 7 of the sales company through a communication network 2, and uses the personal computer 5 of the user side to send, to the servers 7, 8 of the sales company, information that the customer inputs, and the customer receives information from the server 8 of the sales company to perform the commodity trading. |
