The Amazon parcel that arrives within two days is a feat of logistics. Ireland’s Amazon packages usually come from one of Amazon’s 17 fulfilment centres in the UK. These giant warehouses are situated near motorways at the edge of big cities. They’re each around 700,000 square feet in size (ie, about the same size as Ireland’s biggest warehouse). Online shopping isn’t just about slick apps and software. The Amazon app is useful because Amazon has sunk billions into building a physical logistics network. Amazon has one type of warehouse for small items, another for bulky items, another for breaking down…