At any time, someone could have a small video camera, audio recorder, or cell phone camera.
cell phone service on the East Coast was disrupted for half hour after the quake.
For in the ensuing tragedy, Gilliam found the voicemail left by Armstrong's cell phone several days later.
A portable telephone that uses wireless cellular technology to send and receive phone signals. This technology works by dividing the Earth into small regions called cells. Within each cell the wireless telephone signal goes over its assigned bandwidth to a cell tower, which relays the signal to a telephone switching network, connecting the user to the desired party.
Note: The proximity to a cell tower is often the key to good reception when using a cell phone.