You might have heard about auction and bidding online these are the different types of eAuction and internet purchasing. Now a day the system of online auction has made certain modification and invented a new pattern of bidding online.
Reverse auction the word itself states the reverse of auction. Auction is a process in which the person interested in buying a good bid for the same, in this the price of the good goes on increasing until the person with highest bid takes the good.
As you may know the traditional way of eAuction to bid on a product or service and the buyer with highest bid wins the auction is now closed down.