| 摘要 |
PROBLEM TO BE SOLVED: To accurately protect personal information to be undisclosed, and to smoothly distribute other information in an information display system to be used by a plurality of users who are present in the same area.SOLUTION: In an information display system to be used by a plurality of users who are present in the same area, a common server 1 stores predesignated designation personal information among contribution information received from a user terminal 2 of a certain user is stored in a first storage part 13, and non-designation personal information different form the designation personal information is stored in a second storage part 14. Then, the common server 1 transmits only the non-designation personal information between the designation personal information stored in the first storage part 13 and the non-designation personal information stored in the second storage part 14 to the user terminal 2 of the other user.SELECTED DRAWING: Figure 5 |
