Are you a fan of Chanel on Facebook? Or have you downloaded the Dolce & Gabbana iPhone app? For the first time, designers are eschewing the traditional hauteur of their brands and attempting to reach out to their customers through technology. While most labels are now tech-savvy enough to have a Facebook Fan page or a Twitter account, some go the extra mile and get closer to consumers via the iPhone. “It’s a great marketing strategy,” says Rachael Elliott, a Columbia College sophomore.