This is a method for purchasing an item via the Internet. The online seller asks the customer for some information, records it, and sends the customer's browser a cookie containing a customer identification number. Then, every time the customer clicks on a page from the same server, the browser sends back the cookie that it previously got from the same server. This system allows customers to enter their credit card number and address information just once so that on follow up visits to the website all it takes is a single mouse-click to make a purchase from their website.