固定在 Spot 机器人上的摄像头会对周围环境进行扫描，协助警察计算公园内的游客数量，不过这些摄像头无法识别人脸，也不会收集任何个人信息。
Cameras fixed on Spot will scan the surroundings and help officers work out the number of visitors in the park, but they cannot read faces and won't collect any personal information.
其中一些人聘请了股东识别公司如JSS去挖掘更多的信息。
But some have hired shareholder identification companies such as JSS to dig up more information.
这之所以能运作，因为每一个蓝牙无线电芯片都拥有奇特的识别代码，而这些代码能被用于查找一个人信息。
This works because each Bluetooth radio chip has a unique identifying code that can be used to look up a person's information.
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