Visitors who has arrived at your site, like what they see, and go to your shopping cart to make a purchase are much like patrons at a restaurant who have perused the menu and have decided on what they want to order for dinner. While the order is being placed the restaurant's waiter or waitress usually plays one of two roles; that of an order taker or that of someone who is trying to enhance the experience of the diner by suggesting appetizers, side dishes, and/or a bottle of wine to complement the main dish. This activity...