It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them.
-- Steve Jobs, 1998
Read the fascinating history of Wearable Computing, told by its father, Steve Mann
Read Steve's chapter !
El-Kassas, S. (1992): HIRG: A Model for Defining Hierarchical Visual Languages. In: Proceedings of the 1992 IEEE Workshop on Visual Languages September 15-18, 1992, Seattle, Washington, USA. pp. 237-239.
It's really hard to design products by focus groups. A lot of times, people don't know what they want until you show it to them.
-- Steve Jobs, 1998
Read the fascinating history of Wearable Computing, told by its father, Steve Mann
Read Steve's chapter !