Building a Crew Badge for DEF CON in a Week With Four Agents
I’ve wanted to build a badge for the Unsupervised Learning crew at DEF CON for a couple of years now. The original thought was just that we needed a better way to find each other. We scatter as soon as we arrive, phones are not a hundred percent reliable in that building, and finding people by radio sounded like more fun than texting them anyway. What I wanted was something hanging off a lanyard, next to the con badge already there, that tells me roughly how far away the rest of the crew is without needing an app or a network. ...