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FIGURE 13.2
A portion of the wall-sized display used in the navigation study.
From Ball, R., North, C., Bowman, D.A., 2007. Move to improve: promoting physical navigation to increase
user performance with large displays. In: Proceedings of the SIGCHI Conference on Human Factors in
Computing Systems, San Jose, California, USA. ACM. © ACM.

FIGURE 13.3
A hat mounted with head-tracking sensors for the study of navigation with wall-sized
displays.
From Ball, R., North, C., Bowman, D.A., 2007. Move to improve: promoting physical navigation to increase
user performance with large displays. In: Proceedings of the SIGCHI Conference on Human Factors in
Computing Systems, San Jose, California, USA. ACM. © ACM.