I never thought I'd see a joke domain turn into a weapon of geopolitical warfare—yet here we are, staring at a .com nobody wanted until it became useful in very specific ways. This all started with weather-balloon hunters, people like Mark VK5QI chasing high-altitude flights across Australia when the hobby was still niche. Then someone noticed their data could do more than predict weather—it could calculate artillery ranges. And suddenly, an obscure amateur network found itself in the crossfire of real-world logistics. The HabHub admins, who’d spent years building APIs for hobbyist balloon tracking, were suddenly fielding formal requests from the “Office of the Secretary of War (Intelligence and Security)” in the US. Not because they wanted to, but because the data was too good to ignore—even if the only people collecting it were volunteers with Raspberry Pis in their backyard. Technical Overview This section is the kind of story that starts with a problem and ends with ...