Google’s new Healthcare API has netted a high-profile user. Fitbit has announced its plan to use the system, as it continues its pivot from hardware to software and services. The objective is to combine data pulled from Fitbit devices with Electronic Medical Records (EMRs), to augment the data available for diagnoses. The healthcare industry is slowly coming round to the idea of using data from such devices, even if they have not passed the extensive testing and certification processes that traditional medical equipment is subjected to. However, that acceptance is more readily available when considering the device data in aggregate, at large scales, rather than on a per-patient basis. That is still a significant hill to climb. But what the…