These are merchandizing persons who buy products, manage their inventory, and market those products online. They develop sales strategies, and online sites to advertize and handle transactions. They fill customer orders. and package and ship orders — sometimes using distributors to do this or shipping directly from manufacturers.Using appropriate software, they manage ordering, invoicing, receive and process customer payments, and notify coustomers of shipments.They keep financial records and are responsive to customer questions or complaints, using e-mail to communicate online.