Alibaba's organization exemplified the global division of labor its websites helped promote. Though headquartered in Hong Kong, the company's largest offices were located in Hangzhou and were responsible for product development and the China marketplace. Low costs and an abundance of University-graduated engineers helped assure that some 140 of Alibaba's total staff of 220 worked in Hangzhou. In any case, one manager noted ," Software guys have to be young;32 is too old to be a writer. In Hangzhou they have a high energy level,work well together,in an informal atmosphere.