Developed markets In developed economies the growth of online retail has been stronger in sectors such as fashion, electrical and ICT goods, as opposed to food. In the former, where purchased items are typicaly distributed via a postal or parcel network, e-commerce logistics models have led to a wave of new demand for three distinct types of logistics facilities 1 Mega e-fulfillment centers where the merchandise is stocked and picked at item level. These facilities, which are either operated by the retailer or a logistics service provider, are typically 500,000 sq ft to one million sq ft in size, or even larger, They often operate 24/7. 2 Parcel hubs sortation centers which sort orders by zip or post code so that they can be delivered to the relevant parcel delivery centre for final delivery to the customer's home or designated collection point 3 Parcel delivery centers which handle the last mile' delivery to the customer. advantage