| 摘要 |
PROBLEM TO BE SOLVED: To provide a network system capable of bringing about mutual profits of a user and a maker. SOLUTION: A user who has purchased a commodity intended for a freshman attached with a record medium executes software recorded on the record medium 1 by a personal computer 2, and conducts suitable operation, thereby transmitting user information from the personal computer 2 through a network 3 to a server. |
