  To enhance the mobility and convenience of the campus community, we designed
and implemented the Pulse system, a visual interface for communicating the
crowd information to the lay public including campus members and visitors. This
is a challenging task which requires analyzing and reconciling the demands and
interests for data as well as visual design among diverse target audiences.
Through an iterative design progress, we study and address the diverse
preferences of the lay audiences, whereby design rationales are distilled. The
final prototype combines a set of techniques such as chart junk and redundancy
encoding. Initial feedback from a wide audience confirms the benefits and
attractiveness of the system.
