A method and system are described for identifying video segments without using any identification data that may or may not be provided in the non-displayed overscan portion or the vertical blanking interval of the video signal. In some of these examples, a particular communicant’s real world state drives changes in one or more of the communications connections, virtual state, and communications interface of the particular communicant or another communicant. Thus, the sealing plug closes the first opening. The lidar device detects the direct backscattering and counterpropagating signals. The notification is sent to a notification service, that repeatedly sends the notification to a broadcast service.