Sensors useBattery — tracks device battery state. useGeolocation — tracks geo location state of user's device. useHover and useHoverDirty — tracks mouse hover state of some element. useHash — tracks location hash value. useIdle — tracks whether user is being inactive. useIntersection — tracks an HTML element's intersection. useKey, useKeyPress, useKeyboardJs, and useKeyPressEvent — track keys. use