On any given day there are more than 12 million items listed for auction at eBay, the world’s largest online trading community. Almost $15 billion worth of merchandise, in more than 638 million individual auctions, was traded over eBay during the year 2002; that’s $50 million a day, or $579 every second. At the end of 2002, eBay had more than 62 million registered users – almost [...]