A touch screen device is used as a shared representation of a couple’s day. It allows users to share schedules and highlights overlapping time. Partners can communicate by associating photos and audio messages with calendar events.
Source: King, S. and Forlizzi, J. 2007. Slow messaging. In Proceedings of the Conference on Designing Pleasurable Products and Interfaces (DPPI’07). ACM Press, 451–454.
http://www.currentform.com/projects/slowmessaging/