Fourth, people shift between loose and tight collaboration over time, where they move constantly and fluidly between individual and group work. This means that people should be able to focus their attention on different parts of the workspace when they are doing individual work. Fifth, people maintain awareness of what others are doing as they are doing it. The system supports the following group activities. People can simultaneously manipulate the objects in either the radar or detailed view.
People can point to objects in both the radar view and the detailed view.
People can express ideas, for all fine-grained actions are visible as they happen. When participants are not looking at the same thing in the detailed view, they can see other people's actions in the radar view. People can pursue individual as well as collaborative work. If they want to work closely together, they can quickly align their view rectangle atop one another. People can maintain awareness of one another even when working on quite different parts of the concept map.