DETROIT — Every day, people listen to radios in their cars. Whether it is satellite, FM or AM, radio station try to find content to make car rides more enjoyable. However, FM radios are currently facing a crisis that, as it has already happened in Norway, might bring them to extinction. The graph shows how Detroit biggest FM radio station has been losing market share in Detroit. The graph also represents one of the biggest AM radio stations in the area and how its control of the market has remained unchanged.