We take radio pretty much for granted don't we. In the car, in the workplace, and at home. Turn it on and it instantly provide you with music, sports, news, and weather. Radio started to come into it's own back in the 20's, as radio technology became more accessible to all. Where I live, in Wisconsin, farm and weather reports broadcast on the radio were a life saver to rural communities, especially farmers. The explosive growth of radio was evident by 1940, where nine out of ten Wisconsin homes had at least one radio.