Fascinating read. Interesting to see how zipper's evolution into today's ubiquitous household utility went through many stages of evolution, including the class

Fascinating read. Interesting to see how zipper's evolution into today's ubiquitous household utility went through many stages of evolution, including the classic S-curve that today's successful tech products almost (inevitably) go through -- a testament to robustness of economic theories across widely varying industries. [0] Another interesting fact that blew my mind recently -- 80% of all the world's zippers are manufactured in a city entirely dedicated to manufacturing clothing harnesses (hook-and-eye, Velcro et al.) in southeastern China. [1] [0] http://innovationzen.com/blog/2006/08/17/innovation-management-theory-part-4/ http://innovationzen.com/blog/2006/08/17/innovation-manageme... [1] https://en.wikipedia.org/wiki/Qiaotou,_Yongjia_County https://en.wikipedia.org/wiki/Qiaotou,_Yongjia_County