With Line Item Properties, it's possible to allow customers to include file attachments to product orders (http://wiki.shopify.com/Line_Item_Properties#File_attachments). These files are uploaded to http://static.shopify.com/s/files...
Do these uploaded files count towards a store's storage limit? Is there a way to list/get/delete these items either manually or through the api? Do the files persist or are they cleaned up periodically? If the customer removes the item with the file upload from their cart, is the file deleted or does it persist? If it persists, does a reference to it exist anywhere? What is the airspeed velocity of an unladen swallow?