Google's announcement that it is developing a Chrome OS has raised the intriguing paradox of size in the marketpower analysis. On the one hand, only a company as large as MS, with a core base not impacted by MS' market power, could hope to challenge MS dominance in the OS market. OTOH, the threat of Google leveraging and expanding its marketpower into yet another critical infrastructure market is not exactly encouraging. Or, in the words of Opus the Penguin from Night of the Mary Kay Commandos: "Ah, rescued from sadists by terrorists. Kind of a dream come true, ya know?"