Although a new study by Google and Singapore's sovereign wealth fund Temasek projects the Southeast Asian e-commerce market to reach $200bn by 2025, the region's air cargo capabilities remain underdeveloped, according to Cainiao, the logistics unit of Chinese e-commerce giant Alibaba.

Retailers can no longer wait to adopt BOPIS - the ability to buy online, pick up in store - according to a report from Kibo, a cloud-based omnichannel commerce platform provider. But a small percentage, only percent 7 percent, act to ensure that a sale is made.

Over the past year, prime warehouse rents are up 9.9 percent across the U.S. and up by double-digit amounts in some large urban areas, according to a recent report. E-commerce and Amazon are in no small way responsible for the development.

The fashion industry is undergoing the biggest change since the industrial revolution: Today's consumers prize instant convenience and authenticity. They want innovative new products, instantaneous information, to comparison shop, to easily return items that don't fit, and always get the best deal.

Keeping online buyers happy is easy. All you have to do is flood the channel with so much inventory that you're never out of stock. And probably go out of business in the process.