Perspectives on the voice and technology, from discussions of voice mail and podcasts to reflections on dance and sound poetry.

The computer has in many respects become so common that it largely disappears from view. This book shows how changes in attitudes have been reflected in the physical design of the computer, and the ways in which the computer has been represented and promoted by manufacturers in advertising media.

How does anonymity enable free speech - and how is it a threat? This title examines the ways that online anonymity influences politics, activism, religion and art. It presents a strong defence of anonymity and explores some of the tools and organisations that have sprung up around the issue as it has evolved with the ubiquity of the Internet.

David Kirkpatrick traces the Facebook story from its origins in Mark Zuckerberg's dorm room at Harvard, where a handful of 19-year-olds devised a way for Harvard students to connect with one another, then with other Ivy League students, then college students more generally, until it became the number one social networking site on the internet.