Why does this matter? Well, in the Android platform, for example, the developers have a manifest where every device on there, the microphone, etc., has to register if you're going to use it so that hackers can't take over it, but nobody controls the accelerometer.
这有什么重要的呢？好吧，用安卓平台来 举个例子，开发者们有一个清单， 当中的每一个设备，像是麦克风等等， 都需要注册，如果有你要用它 好让黑客无法侵入它的话， 但是没人控制加速规。