According to marketing authority Martha Barletta, companies that fail to recognize the power of the woman buyer are leaving money on the table. In her book, Marketing to Women: How to Understand, Reach, and Increase Your Share of the Largest Market Segment, marketing expert Martha Barletta presents a compelling business case for why marketing professionals, men and women alike, should allocate real dollars and undivided attention to the largest untapped market in the world: women.