https://arstechnica.com/gaming/2023...s-how-it-lost-the-second-console-war-to-sony/ A 47MB, 272-page PDF full of confidential emails, notes, and other documents from inside a Sega with a rich history, a strong new competitor, and deep questions about what to do next. The document offers glimpses, windows, and sometimes pure numbers that explain how Sega went from a company that broke Nintendo's near-monopoly in the early 1990s to giving up on consoles entirely after the Dreamcast.
