3 ms·

More to the point, he didn't even share it. The concern here is re-identification and he chickened out of sharing his identity.

• NicoJuicy 5y ago
  No, he gave the path to reidentify him
  • jjulius 5y ago
    Right, which - perhaps to your point - demonstrates how a seemingly innocuous piece of data left in a dataset could be used to, with relative ease, identify that individual.