It's really hard to design products by focus groups

'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 -- BusinessWeek, May 25 1998

Owen Linzmayer, "Steve Jobs' Best Quotes Ever," Wired, 29 Mar 2006,
www.wired.com/gadgets/mac/commentary/cultofmac/2006/03/70512.