Interaction design research has broadened its focus from settings in which people would sit more or less still in front of static computers doing their work tasks, to instead thriving off new interactive materials, mobile use, and ubiquitously available data of all sorts, creating interactions everywhere. These changes have put into question such as play versus learning, work versus leisure, or casual versus serious technology use. As both hardware and software have become mobile—both literally and in terms of transgressing cultural categories—the different social spheres and the rules that they are associated with are changing