Grocery shopping is one of those necessary evils for most of us. Wouldn't it be easier if you could do it on the go?

A company called Home Plus (formerly Tesco) is giving it a try by putting virtual grocery store aisles in Korean subway stations.

While commuters there are waiting for trains, they can peruse the "shelves" and, if they see things they want, use their smartphones to take a picture of each item's QR code. Payment is apparently handled electronically and items are delivered to the shopper's home later on.

HomePlus credits the system for making them the second biggest online shopping company in Korea. Now if only they'd give it a whirl in the States.

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