The law is mentioned often on HN. But the question I never see discussed: what are the specific strategies to avoid it. I.e. what comes to mind is keeping the s

The law is mentioned often on HN. But the question I never see discussed: what are the specific strategies to avoid it. I.e. what comes to mind is keeping the set of metrics, and then use a randomly chosen one each year for decision making/ranking, but I'm sure there are other approaches.