Windows 8 supports multiple sensors. Some of them could be installed on your device, some of them not. When I planned this series, I had pretty hard choice to make about the sensor – which one to use. Accelerometer/Gyrometer/Compass/Inclinometer/Orientation are cool sensors, but their usage pretty tightly bound to specific scenarios like games (Accelerometer/Gyrometer/Inclinometer), some location aware applications (Compass) or at least orientation-aware apps (Orientation). I had to make a choice...