This e-commerce outfit is rightfully considered the Amazon of Latin America, but the label understates the actual opportunity.MercadoLibre (MELI 0.95%) may not be a household name where you live. But that's probably only because you don't live where it operates. If you were a resident of South America, you most definitely would have heard of it. There's even a good chance you'd be a customer. After all, it's often referred to as the Amazon (NASDAQ: AMZN) of Latin America specifically because it's got such a ...