Department store Bergdorf Goodman is aiming to direct the summer fantasies of female consumers through a mobile advertisement on New York magazine’s blog The Cut. As consumers contemplate summer wardrobe additions, retailers are in a good position to guide the research process with their extensive wares. Although mobile still only constitutes a small percentage of total sales, it plays a big role in informing purchase decisions. “This is a summer for higher mobile user expectations around personalization,” said Jeff Hasen, a Seattle-based mobile marketing strategist. “Like that bathing suit, one size does not fit all.