Which country launched the world's first 'digital shopping wall' where commuters could scan QR codes to purchase grocery items while waiting for transportation?

Retail innovation takes different forms around the world as companies adapt to local geographic constraints and cultural shopping habits. One particularly fascinating development was the world's first 'digital shopping wall' - a technological breakthrough that transformed how consumers could interact with products in transit locations. This innovation merged physical presence with digital convenience in a way that revolutionized retail in space-constrained urban environments.

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South Korea
Japan
Singapore
Germany