Race is to the swift in winning online customers

Sending orders for next-day delivery costs more than slower service, right? Maybe not, and Chinese e-retailers that cut their shipping time in half can win customers for no additional cost.

The nation's e-commerce market has seen tremendous growth, reaching $448.8 billion in sales in 2014, nearly 11 percent of all retail sales.

China has become the world's largest e-commerce market, surpassing the United States, and it is just getting started.