Challenges are different at scale

A while ago someone (unfortunately I forget who it was!) gave an example for how problems look different when you’re operating at different scales. It’s stuck with me, and I find myself using it over and over again: Imagine that you have an external hard drive with a failure rate of 1 in 100 years. So over the course of a hundred years, it’ll fail once. As an individual, that’s probably an acceptable rate: you likely wont’ use the hard drive for 100 years, and its point of failure probably won’t happen in any given year during which you use it.

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