I loved Time Machine because it was very similar to software I used on Windows (forget its name now). It was also similar in concept to the IBM Tivoli enterprise software that I managed at work (although that included a huge IBM automated tape library).
The concept of continuous backups of changed files, rather than daily monolithic backups, is a brilliant idea. Users were always most impressed that I could restore lost files within a few minutes without having to worry about which backup set contained the missing file.
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Be the person your dog thinks you are.