英語の長文: The Evolution of Communication: From Radio to Smartphone (通信の進化: ラジオからスマートフォンへ)
英語: Communication has come a long way from the days of radio broadcasts. With the invention of smartphones, we hold in our hands a device that can do much more than just receive signals. Smartphones have revolutionized how we connect, allowing us to communicate instantly with anyone, anywhere in the world. From listening to static-filled radio broadcasts to streaming high-definition videos on our smartphones, the journey of communication technology has been remarkable.
