"[D]evelopers may use Microsoft Office Excel 2003 spreadsheet and Microsoft Office FrontPage Web design applications to write services where eBay users could automate pricing and bid changes as needed. […]
With Excel 2003, users can: use XML to integrate with the eBay API to customize list views, graphs and charts; catalog bulk items online or offline; and submit item listings. The software allows eBay buyers and sellers to create a transaction record, analyze buying or selling history, and use automated uploading processes to submit listings."
