Subway walls in Seoul (South Korea) were covered with virtual displays of over 500 of the most popular products in Tesco’s Homeplus discount stores. Each product was equipped with barcodes which are able to be scanned by customers on the go using their smartphones. Payment is processed instantly and once they get home, they find their order waiting for them.

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Source: businesstoday.in (article) / Trendwatcher: Ivan Babic