The Key Differences Between Alibaba And Amazon In One Chart

China's Alibaba Group is becoming a serious threat to Amazon. The e-commerce giant is expected to make an initial public offering in September that could top $16 billion to become the biggest IPO in history. The company's websites account for 80% of all online commerce in China and its sales are growing rapidly. But Alibaba's revenues are still only a fraction of Amazon's. Here's a brief breakdown of the two companies and how they compare from the website SmartIntern: SEE ALSO: Here's Why Aliba...