I have been fascinated by data analytics for all my professional life — from my early days of using Linux command-line tools like grep, cut, sort and unique to make sense of log files and identify the chain of events that harmed my web server, to using simple Excel and pivot tables to do pretty much the same with data of all types. Now, we have much fancier tools like data lakes and data warehouses with powerful query languages, machine learning and statistical analytics tools built into program interfaces, but the basic idea remains the same:

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