How did new technologies change business in the 1920s?

Another popular invention found in almost every home was the Radio. Radios sold at 400 to 850 dollars. The first public station was known as KDKA station, at first located in Pittsburgh. Radio had become a national pastime and many listeners gathered in their living rooms to listen to sports news, concerts, sermons and "Red Menace" news.  

Silent movies were introoduced to the people in 1922 and were an extremely popular form of entertainment. It was so popular it was the 3 rd leading business industry during the 1920s.  In 1926, the introduction of Technicolor made movies more entertaining and memorable.   As we all know the movie industry became a major part of american industry then and now.

The 1920's was also a time of advancement in science and medicine. Deaths by Dipththeria was reduced due to the introduction of new immunizations. America's population also increased in health because of a new interest in nutrition, caloric consumption and physical health. The dietary habits of Americans changed significantly as they practiced the moral of less fat and meat and more fruits and vegetables.   The discovery of vitamins and their effects also came about during this decade.

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