The radio is used in many different ways. It mainly used for communication purposes. Electronic Communications is neccesery for modern life.
Many people use the radio for listening to music to see what's the latest songs and music groups.
They can use them to listen to what the weather is for that day and other news that's happening around the world. Soldiers and people also use them in wars because the people have to know what's going on if there not watching the television. They were also used in wars when there was no television. They can also use them on ships and planes in so the people know that there doing all right. They also can judge the food restaurants and you can enter contests to win good prizes like concert tickets, money, cars etc.