Subways, smartphones, and grocery shopping – all in one?

A friend shared this video about a different kind of shopping experience in Korea. It involves putting up giant posters with photos of supermarket shelves in the subway system.  Then you add thousands of daily subway commuters with ubiquitous smartphones that can scan QR codes.  Basically, you can go grocery shopping while waiting for your train to arrive.  What an ingenious idea. I always appreciate the Asian innovation in marketing.  Perfect for busy commuters on the go.

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