Explosive innovation and adoption of computing, mobile devices, and rich sources of data are changing the cities in which we live, work, and play. A digital landscape overlays our physical world and is expanding to offer ever-richer experiences that complement, and in emerging cases, replace the physical experience.

As the ‘smart city’ model of infrastructure provision and management becomes commonplace engineers, coders, designers, politicians and citizens are faced with many challenges. One main controversy is addressed by questions about “public and private ownership of space, both in the cloud and on the ground.”