Buy Groceries at a Virtual Supermarket Inside a Subway StationCasey Chan7/06/11 7:40pm751EditInvite manuallyPromoteDismissUndismissHideGo to permalinkI would never do my grocery shopping inside a subway station. The smells? The rats? The slime? Gross. But what about a virtual supermarket where you scan QR codes of items and have it delivered to you by the end of the day?