By Jared M. Spool Originally published: Jan 14, 2009 [While Luke Wroblewski was writing his well-received book, Web Form Design: Filling in the Blanks, he asked if I could think of an example where a change in a form's design made a noticeable difference in business. "You mean like $300 million of new revenue?" I responded. "Yes, like that." said Luke. So I wrote this article, which he published i