“Beneath the smooth glass of each shiny iPhone, nestled on a logic board between touch screen controllers and Apple-designed SoCs, the gyroscope and accelerometer sit largely neglected.”
True.
“Core Motion allows a developer to observe and respond to the motion and orientation of an iOS device by inspecting the raw and processed data from a combination of built-in sensors, including the accelerometer, gyroscope, and magnetometer.”
There’s got to be a clever app idea in there somewhere…