BayCheck - Version 2.0 Enter an eBay user ID, and with a single click, retrieve: (1) seller history, (2) bidder history, (3) feedback received, (4) feedback left for others. Sort and view this data in four browser panes in ways you can't on eBay. Get it instantly and see it all at once in four browser panes that allow you to get a good snapshot of the user's activities and reliability, and to find out how they respond to transactions. Use it to track your favorite buyers' or sellers' auctions. This program has many uses, and is the best to to guard against shill bidding, since it makes suspicious patterns easy to spot. This application updates itself automatically from the internet. And best of all, it is free.