Technology isn't just changing how we shop, it's changing how goods are stored and delivered. This episode shows how understaffed distribution warehouses can now call upon robots to assist in retrieving orders and features a new type of automated warehouse that has eliminated the need for aisles between shelves in order to maximize storage capacity. [In Focus: Strike Highlights Tough Times for Department Stores] Workers at a major Japanese department store in Tokyo went on strike as the business was sold to a US investment fund. We look at what the worsening environment for department stores could mean for Japan's economy. [Global Trends: Brazil Explores Possibilities of Bioethanol] The world is grappling with a surge in oil prices, causing some to look again at alternative fuels. Brazil has been developing the use of bioethanol. Could this be a way to help alleviate the energy crisis? We take a closer look.