Recently, Bloomberg reported that you can now buy gold bars from vending machines in a GS Retail Co. convenience store in the Gangnam neighborhood of South Korea.

Costco was the first to start selling gold bars—and running out of them. In South Korea, vending machines currently sell them.

In one sense or another, it appears that people crave gold.

This week, Bloomberg revealed that a GS Retail Co. convenience store in Seoul's affluent Gangnam neighborhood had a vending machine sell...