Major Architect of Microsoft's Xbox Resigns to Start a Game Company "Seamus Blackley, 34 years old, is leaving the software giant by the end of the week to start a game-development company. Mr. Blackley held the titles of games otaku, which means "extreme fan" in Japanese, and technology evangelist. He was responsible for wooing game creators to make games for the Xbox, Microsoft's first foray into the roughly $20 billion global videogame industry." He's the central figure in the new book recently referenced.