A system and a method determine a global update to an inference model and distribute the global update to a plurality of wearable apparatuses. In one implementation, the system includes a data interface and at least one processing device. The at least one processing device is programmed to receive, via the data interface and from a first one of the plurality of wearable apparatuses, first update information associated with the inference model. The at least one processing device is further programmed to receive, via the data interface and from a second one of the plurality of wearable apparatuses, second update information associated with the inference model. The at least one processing device is further programmed to analyze the first update information and the second update information to determine the global update to the inference model, and transmit, via the data interface, the global update to the plurality of wearable apparatuses.