Dominant design discourse of the late 1970s and early 1980s presented the introduction of the laptop computer as the result of ‘inevitable’ progress in a variety of disparate technologies, pulled together to create an unprecedented, revolutionary technological product. While the laptop was a revolutionary product, such a narrative works to dismiss a series of products which predated the laptop but which had much the same aim, and to deny a social drive for such products, which had been in evidence for a number of years before the technology to achieve them was available. This article shows that the social drive for the development of portable computing came in part from the ‘macho mystique’ of concealed technology that was a substantial mot...