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Powerful Frequencies details the central role that radio technology and broadcasting played in the formation of colonial Portuguese Southern Africa and the postcolonial nation-state, Angola. In Intonations, Marissa J. Moorman examined the crucial relationship between music and Angolan independence during the 1960s and ’70s. Now, Moorman turns to the history of Angolan radio as an instrument for Portuguese settlers, the colonial state, African nationalists, and the postcolonial state. They all used radio to project power, while the latter employed it to challenge empire.

From the 1930s introduction of radio by settlers, to the clandestine broadcasts of guerrilla groups, to radio’s use in the Portuguese counterinsurgency strategy during the Cold War era and in developing the independent state’s national and regional voice, Powerful Frequencies narrates a history of canny listeners, committed professionals, and dissenting political movements. All of these employed radio’s peculiarities—invisibility, ephemerality, and its material effects—to transgress social, political, “physical,” and intellectual borders. Powerful Frequencies follows radio’s traces in film, literature, and music to illustrate how the technology’s sonic power—even when it made some listeners anxious and frightened—created and transformed the late colonial and independent Angolan soundscape.

From all sides, we hear that computer technology, with its undeniable power to disseminate information and connect individuals, holds enormous potential for a reinvigoration of political life. But will the Internet really spark a democratic revolution? And will the changes it brings be so profound that past political thought will be of little use in helping us to understand them?

In Prometheus Wired, Darin Barney debunks claims that a networked society will provide the infrastructure for a political revolution and shows that the resources we need for understanding and making sound judgments about this new technology are surprisingly close at hand. By looking to thinkers who grappled with the relationship of society and technology, such as Plato, Aristotle, Marx, and Heidegger, Barney critically examines such assertions about the character of digital networks.

Along the way, Barney offers an eye-opening history of digital networks and then explores a wide range of contemporary issues, such as electronic commerce, telecommuting, privacy, virtual community, digital surveillance, and the possibility of sovereign governance in an age of global networks. Ultimately, Barney argues that instead of placing power back in the hands of the public, a networked economy seems to exacerbate the worst features of industrial capitalism, and, in terms of the surveillance and control it exerts, reduces our political freedom.

Of vital interest to politicians, communicators, and anyone concerned about the future of democracy in the digital age, Prometheus Wired adds a provocative new voice to the debate swirling around "the Net" and the ways in which it will, or will not, change our political lives.