After experimenting with indoor AR systems in the early 1990s, we decided to build our first outdoor system in 1996 to find out how it might help a tourist exploring an unfamiliar environment.

• 1990年代初的室内AR系统实验后，我们就决定在1996年建造第一台室外系统，目标对准在不熟悉的环境里游览的观光客，看看这系统可能带来什麽帮助。