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Can email tracking tell you where someone opened your email?

Short answer: it can tell you roughly where a network request came from, and that is frequently not where the person is. Some tools present that guess as a city on a map. The honest description is that you are looking at the location of a network, sometimes a data centre, and only sometimes a human being. Here is what actually arrives, and the four reasons the city on the map is unreliable. Does…

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Refactoring Legacy Code: A New Hope

The Quest Begins (The “Why”) I still remember the first day I opened the legacy repo at my last job. The README was a single line: “Good luck.” Inside, a 5‑kiloline monster lived—a mix of PHP…

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