18. At least one non-transitory computer readable medium having computer readable instructions stored thereon, wherein said instructions when executed by a processor cause the performance of the following operations comprising: in response to receipt of a first signal containing audio information from an audio sensor: transmitting said audio information to at least one loudspeaker; converting said audio information to textual information; preparing a message containing at least a portion of said textual information; and transmitting a second signal containing a first copy of said message to all addresses of a Wi-Fi network, the Wi-Fi network configured to connect to a plurality of mobile computing devices; and in response to receipt of a request from at least one of said plurality of mobile computing devices: transmitting a third signal containing second copy of said message to the at least one mobile computing device that issued the request.
18. At least one non-transitory computer readable medium having computer readable instructions stored thereon, wherein said instructions when executed by a processor cause the performance of the following operations comprising: in response to receipt of a first signal containing audio information from an audio sensor: transmitting said audio information to at least one loudspeaker; converting said audio information to textual information; preparing a message containing at least a portion of said textual information; and transmitting a second signal containing a first copy of said message to all addresses of a Wi-Fi network, the Wi-Fi network configured to connect to a plurality of mobile computing devices; and in response to receipt of a request from at least one of said plurality of mobile computing devices: transmitting a third signal containing second copy of said message to the at least one mobile computing device that issued the request. 25. The at least one non-transitory computer readable medium of claim 18 , wherein said audio sensor comprises an array microphone.