Created in 2003 (United States), HARRY POTTER AND THE HALF-BLOOD PRINCE own 477 sister brands and 3607 competing brands. HARRY POTTER AND THE HALF-BLOOD PRINCE's notoriety arose from exemplary management which optimizes product quality and client satisfaction, which in turn generate financial performance, and therefore, stock performance. Being a Popular brand online is assessed based on the evolution of worldwide Web searches over the last five years.