a system for managing a mobile workforce includes tools for directing and tracking the progress of mobile caregivers while providing tools and information to managers of the mobile caregivers as well as information on arrival , departure , and location to advocates of patients . when the caregiver arrives at the patient &# 39 ; s home , a message is sent informing an advocate indicating arrival and , during the time the caregiver is with the patient , the advocate is able to determine the location of the caregiver &# 39 ; s device and , in some embodiments , access video and / or audio of interactions with the patient . the location is particularly useful when the patent care includes transportation of the patient . mechanisms are provided to determine possible substitute caregivers should something happen to a caregiver that is assigned to an appointment with a patient .