All or a portion of this functionality and associated operations can be performed by any elements of the described system—for example, all or a portion of the functionality described herein as being performed by an implementation of the hub device can be performed, in different system implementations, in whole or in part on the server, one or more connected smart devices and/or the control application, or different combinations thereof. FIG. 2B illustrates a representative operating environment in which a server system 164 provides data processing for monitoring and facilitating review of events e. g. , motion, audio, security, etc. in video streams captured by video cameras 118 or doorbell cameras 106. As shown in FIG. 2B, the server system 164 receives video data from video sources 222 including cameras 118 or doorbell cameras 106 located at various physical locations e. g. , inside homes, restaurants, stores, streets, parking lots, and/or the smart home environments 100 of FIG. 1.