Legacy Organizations are obsessed with measurement, often using it as a form of control—to find and punish weak performance. But when we obsess over metrics, we fall victim to Goodhart’s law, which states that a measure that becomes a target ceases to be a good measure. Why? Because human beings will manipulate the situation in order to move the numbers. Instead, we should think of metrics as guides for steering toward our purpose. If we make an app that has a purpose of helping people lose weight, then average time in app is interesting, but only insofar as playing with the app translates to
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