Interactivity: Due to the phone, net, and pager it allows the viewers to influence the atmosphere in real time in one way or the other. Simultaneous: a phrase is spoken in a broadcast studio or during a live report from the scene, any noise played nearly at exactly the same second reaches the listener's ear. In the early hours, the radio would be the best source of information. In the case of disasters, it brings news day long. Radio is a medium which allows a radio reader or advertiser to res