1. A method comprising: detecting, by a wearable computing device that is located in a vehicle, movement associated with the wearable computing device; determining, by the wearable computing device, based on the movement associated with the wearable computing device, whether a user of the wearable computing device is performing an act of driving within the vehicle by at least: inputting, into a machine learning system, an indication of the movement associated with the wearable device; receiving, from the machine learning system, a degree of likelihood that the user of the wearable computing device is performing the act of driving; and responsive to determining that the degree of likelihood satisfies a threshold, determining that the user of the wearable computing device is performing an act of driving; responsive to determining that the user of the wearable computing device is performing the act of driving within the vehicle, determining, by the wearable computing device, that the user of the wearable computing device is currently driving the vehicle; and responsive to determining that the user of the wearable computing device is currently driving the vehicle, performing, by the wearable computing device, an operation.