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Normally, one glance is all it takes to figure out why a thing was invented. Cars came about because we needed a better way to get from here to there, guns were created because we needed a more efficient way to wreck shit once we got there, etc.
Not so fast. it turns out that when you trace some of the things we use every day back to their origins, you find that, while necessity may be the mother of invention, sometimes her baby daddy is serendipity. For example:
Some characters come out of the gate and do an instant 180.