Final answer:
The term for checking out products in stores and buying them online is 'showrooming.' This practice aligns with the evolution of retail towards online shopping for better pricing and convenience, as demonstrated by Amazon. The correct option is E.
Step-by-step explanation:
Checking out products in traditional stores and purchasing them online is referred to as showrooming. Showrooming is a practice where customers visit stores to examine merchandise before buying them online at a lower price.
This has been a growing trend with the advancement of online shopping, facilitated by sites like Amazon which offer convenient purchasing, and prompt delivery by mail while maintaining inventories in highly computerized warehouses for lower costs per sale.
Amazon's strategy highlights the advantages of economies of scale for a business that leverages these economies. The correct option is E.