Ever since two park rangers approached me at an empty public court while I was teaching my own children tennis, I’ve been thinking about how to make sure it never happens again. Not just to me. To anybody.
The problem that afternoon wasn’t that the rangers were doing their jobs. The problem was information. They had no idea who I was, what I contribute, or whether the two kids I was feeding forehands to were mine. So they had to guess, and their guess involved disrupting a perfectly lovely afternoon.
We can fix this with better data. My proposal is a tax identification system, which follows my Leash Ratio to help you determine how much you…
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