A radical new day has dawned for the operating system. Today Google finally aired its long awaited Chrome Operating System. The operating system was detailed at a press conference starting at 1 p.m. EST, and the open source code was posted online just before the start of the presentation. The new operating system brings a dramatically different look and perspective to the market and just may give Microsoft and OS X some tough competition by reinventing a tired old wheel -- the operating system -- offering the first laptop/desktop OS built around the browser and web applications. A Google engineer...