It’s the kind of experiment that seems like it was hatched for a satirical spoof video, but the results were anything but funny. Home Plus, the 2nd largest grocery chain in South Korea formerly known as Tesco, needed to increase their market share without building more stores. The idea they had was simple and elegant, albeit completely offbeat and somewhat insane. “Let the store come to the people.” They created virtual stores to make grocery shopping something that could be done without while performing other duties such as waiting in the subway. With lighted billboard visualizations of the…