MeetPoint is a program that allows you to chat live with the people visiting your auction pages and web site. It's the only live chat system that is truely eBay legal and also includes a customizable email form. All the features are present in the free version. The pay versions simply let you chat with more people. It features a very slick looking interface, both on your desktop and on your web site and auction pages. The chat window and chat buttons that you place on your web site couldn't be any easier to install, and they are customizable.