TY - BOOK AU - Berman,Saul Jay TI - Not for free: making money in the digital age SN - 9781422131671 (hbk.) U1 - 658.802 PY - 2011/// CY - Boston, MA PB - Harvard Business Review Press KW - Market segmentation KW - New products KW - Technological innovations KW - Digital media KW - Economic aspects N1 - Includes bibliographical references and index ER -