| 摘要 |
PROBLEM TO BE SOLVED: To specify the existence of another user who refers to attribute information about the same subject.SOLUTION: An image display system includes a first image display device 10, and a second display device 20. The first image display device 10 includes a notification portion for notifying reference information indicating that an owner of the first image display device 10 refers to attribute information of an object in an image, to a communication device 30 associated with the object. The second image display device 20 includes: an obtaining portion for obtaining the reference information from the communication device 30; and a display portion for displaying information indicating the existence of the owner of the first image display device 10 on the basis of the reference information, when an owner of the second image display device 20 refers to the attribute information of the object. |
