g. , to activate or deactivate the security system when occupants go and come. In some implementations, the smart doorbell 106 includes some or all of the components and features of the camera 118. In some implementations, the smart doorbell 106 includes a camera 118, and therefore, is also called “doorbell camera 106” in this application. The smart alarm system 122 may detect the presence of an individual within close proximity e. g. , each camera of each user account, as well as data processing models, processed data results, and other relevant metadata e. g. , names of data results, location of electronic device, creation time, duration, settings of the electronic device, etc. associated with the data, where optionally all or a portion of the data and/or processing associated with the hub device 180 or smart devices are stored securely;an account database 3162 for storing account information for user accounts, including user account information such as user profiles 3163, information and settings for linked hub devices and electronic devices e. g.