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I recently came across (again) the classic logic puzzle the liar and the truth teller. My first introduction to this logic puzzle was when I was a kid watching the 80s movie Labyrinth. The hero needs to find the right door to freedom, but one guard tells the truth and the other one lies. She...

Conversion Optimization is not a validation step I told this to a manager that I had and he told me I was wrong, after my years of experience, that optimization is a validation step, that it was there to validate the ideas that he came up with. To further exacerbate the problem, he was sure...