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.
Hvorfor er dette vigtigt? Fordi,  på Android platformen, for eksempel, har udviklerne et manifest hvor hvert apparat der, mikrofonen, osv, skal vi at at du er i gang med at bruge det så hackere ikke kan overtage det, men ingen kontrollerer accelerometeret.