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 !
Shin, Byeong-Seok and Lim, Cheol-Su (2007): Obstacle Detection and Avoidance System for Visually Impaired People. In: Oakley, Ian and Brewster, Stephen A. (eds.) HAID 2007 - Haptic and Audio Interaction Design - Second International Workshop November 29-30, 2007, Seoul, South Korea. pp. 78-85.
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 !