Google, a company born and bred on the Web, has a mighty challenge ahead of it getting into the PC business. Aware of this, Google does not have grand ambitions to take over PCs with Chrome. It's a browser and cloud-based OS for netbooks designed to be fast, simple and secure. Chrome will not support hard drives, only solid-state storage, and it will only run Web-based applications. There will be no desktop-type software programs allowed.

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As for security, if any application is in danger of being corrupted by malware, Chrome has been designed to reboot itself, after which a clean version of the OS is downloaded. Nearly all user data will be stored in the Google's cloud computing service and will be encrypted and sychronized constantly between the netbook and the cloud.

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Creating a cloud OS for netbooks that will run only Web apps through a speedy Google browser makes sense for a company that has been at the forefront of Web-based computing since its inception.