Fuente: Wipo "Sensorization" A device, system, or method for estimating a person’s food consumption comprises two types of wearable sensors. A first type of sensor collects data to detect when the person consumes food. A second type of sensor is activated when data from the first type of sensor indicates that the person is consuming food. Data from these sensors are analyzed to estimate the types and amounts of food consumed by the person. This device, system, or method then provides feedback and/or coaching to the person to improve their eating habits.