In September 2014, a Chinese company that most Westerners had never heard of held the largest IPO in history - bigger than Google, Facebook and Twitter combined. Alibaba, now the world's largest e-commerce company, mostly escaped Western notice for over ten years, while building a customer base larger than Amazon's, and handling the bulk of e-commerce transactions in China. How did it happen? And what was it like to be along for such a revolutionary ride?