This is based on the number of items shipped. B&N needs to outfit every one of their stores, while Amazon only needs to supply a few warehouses. Also, Amazon ha

This is based on the number of items shipped. B&N needs to outfit every one of their stores, while Amazon only needs to supply a few warehouses. Also, Amazon has a headstart on production and may already a large number of kindles on hand. The numbers just aren't comparable.