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 !
Doherty, E. Thomas (1991): Speech Analysis Techniques for Detecting Stress. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 689-693.
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 !