Much of Ralph Lauren's appeal lies in the line's classic glamour, but when it comes to marketing and consumer experience, the brand is absolutely on the cutting edge. New York's fashion director, Harriet Mays Powell, sat down with David Lauren to talk about what the company's doing to stay ahead of the fashion-tech curve. As he says, "A page in a magazine is never enough." Now it's about touch-screen windows, bar codes on its advertisements that you can scan yourself, and the ever-crucial iPhone app. Watch and learn, grasshoppers.