| 摘要 |
In some embodiments, a processor-readable medium includes code representing instructions to cause a processor to perform a process. The code stored by the processor-readable medium includes code to cause the processor to allocate a portion of a display screen of a first device to be uniquely associated with a second device and to send to the second device a directive representing a symbol appearing on the display screen when a user-selected indicator is received. The user-selected indicator is associated with the portion of the display screen of the first device. The first device is mutually exclusive from the second device.
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