Online auctions
An ebay auction for 23 Xbox games. There have been nine bids so far
Online auctions have been one of the most successful services on the internet.
Using one of these services people around the world can list goods and services for sale on a website. Others can then bid on these goods and services, with the highest bidder in each auction buying, or 'winning', them.
There are millions of items listed and auctioned every day on the internet, with people selling goods ranging from antique books and paintings, to single socks!
The most successful auction website to-date has been eBay 
which was started in 1995 and now has over two hundred million registered users from around the world.
There are also many other successful auction sites, with some of the most popular for Australians including: