When you use a Chrome OS computer, most of your data and your settings is saved online, so it doesn't really matter which Chrome OS computer you're using. Just sign in with your Google account and you can find your bookmarks, your applications and maybe even your documents.
Chrome OS computers are actually designed for sharing and there's even a guest mode based on Chrome's incognito mode. "When you use web apps on your Chrome notebook, all your documents are stored safely in the cloud. But certain kinds of files, like downloads, cookies, and browser cache files, may still be present on your computer. Your Chrome notebook encrypts all this data using tamper-resistant hardware, making it very difficult for anyone to access those files. With Guest Mode, you can let friends use your Chrome notebook without signing in. They can use the web freely, but they won't be able to access your email or other data. And once they sign off, all their browsing data is permanently erased from your computer," explains Google.
Glen Murphy, who is a Chrome user interface designer, tried to show what happens when an inexpensive Chrome OS notebook is damaged. Your data is still available because it's stored online and you can resume your work using another computer.
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