These are things to consider when creating a backup strategy for your digital necessities. And I don't use the word strategy lightly – keeping your data safe is a constant, evolving practice. Hard drives fail, drinks are spilled, electrical surges occur. Time moving forward, as it always will, increases the risk that your data will no longer be your data. When your last failsafe fails, you have entered into a data loss event. Make sure yours is minimized.