Hello, Everybody!: The Dawn of American Radio

"A lively overview" of this pre-internet mass-communication tool and "the entrepreneurs and evangelists, hucksters and opportunists" who flocked to it (Publishers Weekly).

Long before the Internet, another young technology was transforming the way we connect with the world. At the dawn of the twentieth century, radio grew from an obscure hobby into a mass medium with the power to reach millions of people.

When amateur enthusiasts began sending fuzzy signals from their garages and rooftop...