Yep, I wrote it for lay-people, which I why I use "WiFi identity" rather than "MAC address". I was just so happy with it I had to post a link here. (I'm so vai

Yep, I wrote it for lay-people, which I why I use "WiFi identity" rather than "MAC address". I was just so happy with it I had to post a link here. (I'm so vain. I probably think Hacker News is about me.)