Google pulled the wraps off of Chrome OS today, and while there isn’t a general availability announcement today, they spoke briefly about the Chrome browser (Linux and Mac versions due this year, along with support for extensions) before diving into the nascent OS. You can expect to see Chrome ship in about a year, and showed the first glimpses of the new OS, details about the architecture, the hardware it will run on, and gave us the first hints about what the Google Cloud OS will really look like.

http://www.maximumpc.com/article/features/8_things_you_need_know_about_chrome_os