The document discusses the 5 year format war between Blu-ray and HD-DVD for the next generation DVD standard. It provides an overview of the key players in each camp during the war and how they evolved over time. It then analyzes the competitive environment and presents questions regarding whether the outcome was inevitable, what Toshiba could have done differently, the extent of Sony's victory, and whether Sony's unwillingness to compromise early on was justified given its ultimate victory.