in 1995, pierre omidyar created the consumer to consumer trading company "ebay". As everyone knows, eBay knows, eBay allows buyers and sellers from around the world to meet in an electronic market place and make trades Search engines, ratings of trading histories, and various other eBay details make trading very inexpensive. On a Supply and demand graph for, lets' say old Elvis albums, show what happens to the volume of trade, the prices to consumers, and supplies, the cost of trading, when eBay gets introduced to the market.