-Both the goats and Voice Of Norway use geofence (GPS) technology with a specific purpose. For the goats, this means that they must stay in a certain area. In Voice Of Norway, quizzes appear when your guests are in certain places. Digital guiz is fun along nature and cultural trails, in museums and parks, and in connection with team building and learning at school. When needing to control groups of people and their movement patterns, and the feeling of boredom waiting in queues, this is a smart way to solve the challenge.