Now you can buy groceries using augmented reality, in South Korean subway stations
Called E-Marts, these virtual stores are stocked by supermarkets like European grocery store giant Tesco and Home Plus - but they sell their goods via glowing pictures on subway platforms. Shoppers waiting for a train can simply look at the walls to view potential groceries, scan the respective QR codes with their smartphone, and then have their groceries delivered by the time they reach their homes.
Paul Higgins: a great example of how technology can change a market. They have replicated the real life store - all the products are the same. For the time poor use of 5 minutes on the train station could be a godsend and change behaviour. Another example of reducing the time between stimulus and action (not always a good thing)
Full Story: io9