Of course, face recognition was by now old hat. Initial public revulsion quickly passed when folks realized that banning such systems would never prevent governments or corporations or criminals from using them. But this was the first I ever heard of “aha” detection... zooming in on people at the very moment of triumphant realization. “But aren’t those types of people always under scrutiny?” Milla asked. “By the curious? Or by competitors? Or by those hoping to ride the next thing? Anyway, the science came out a year ago, and in another year everyone will have the Aha! app on their specs. It’s the interim between that’s dangerous.” The danger interval. That period between when techies develop something and the public owns it. Before it gets into the open, there’s a span when elites get to

