Founded in 1974, Foxconn, a Taiwanese electronics empire, already has revenues of $131.8 billion (€104.4 billion). It’s not a consumer brand, but its electrical components power iPhones, Kindles and Playstations, among other gadgets. Still in the hands of its founder, Terry Gou, the company is an example of the way private business can exploit the skyrocketing economies of developing regions.