 The original problem statement was more focused on a cybersecurity kind of problem. And we pivoted at some point in the course toward a real physical threat. What do you major in? I mean, what were you guys studying that you were interested in this particular area? Brian? Victor and myself have a physics background. So Victor is studying physics. I was a physics major at the University of Chicago in the past. And then latest degree is business. Also have another MBA program.