Google just demoed Chrome OS running on a piece of reference hardware at its event in SF. It just takes four steps and less than a minute to set up a brand-new Chrome OS machine -- it pulls all your Chrome themes and settings from the cloud, so it's ready to go almost right away, and changes can propagate in less than a second in some cases. The reference machine demoed was able to come back up from sleep almost instantly -- Google says the limiting factor is actually how fast the user can move their hand. (It wasn't that fast in the demo, but it was still really fast.) The OS also supports multiple accounts with a guest account that runs in Incognito mode, and all user data is encrypted by default. The OS itself is load
