Ask Once And Remember
http://www.allen.com/cgi-bin/gt/tpl_page.html,template=1&content=36&nav1=1&

Allen, Cliff
Allen.com
2003

Abstract:

Have you ever tried to place an order with a salesperson or waiter and found yourself answering the same questions over and over again? There are many sites on the Web where this occurs, such as those with product locator searches, shopping carts, and other functions that are supposed to make Web sites more interactive.