| 摘要 |
PROBLEM TO BE SOLVED: To notify a user of the state of each constituent user which dynamically changes in a virtual space in real time. SOLUTION: A user terminal 3 is provided with a conversation supporting device 1 and a conversation device 2. When a prescribed event takes place in a self-terminal, a notifying part 12 notifies another user terminal in a virtual space of the state of its own terminal. For instance, a case in which a detecting part 11 detects change of the state of the self-terminal and case in which a monitoring part 13 detects the participation/leaving of the device 2 in/from the virtual space are listed. A collecting part 15 acquires state notification from another user terminal and a displaying part 16 shows the information. When the device 2 joins the virtual space, the part 13 acquires a user list in the virtual space, and a requesting part 14 requests the states of other users. On the contrary, when the part 13 receives a state request, the part 12 transmits state notification to a requesting source.
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