One of the most significant changes in the last decade has been the rise of the internet as an appliance, and most notable is internet-based data storage. First it was used just for backups, but now with the concurrent rise of mobile technology, cloud-based storage is useful for day-to-day disk usage. Apps that use the cloud include music libraries (iCloud for iTunes) and file archives (OneDrive on Windows systems and Google Drive on Android devices).

Some systems are now completely built around the cloud. One example is Google’s Chrome operating system, a complete working environment built around a web browser. Ten years ...

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