Ash Amin is Professor of Geography at Cambridge University. He is the author of Land of Strangers and coauthor (with Patrick Cohendet) of Architectures of Knowledge: Firms, Capabilities, and Communities.Nigel Thrift is Vice-Chancellor of the University of Warwick. He is the author of Non-Representational Theory: Space, Politics, Affect and Knowing Capitalism. Amin and Thrift are the authors of Cities: Reimagining the Urban.