Last week, as cities across the country shut down in an effort to slow the spread of COVID-19, President Trump said, “We have a problem that, a month ago, nobody thought about.” Well, somebody did. On December 29th, as Trump vacationed with his family at Mar-a-Lago, Avi Schiffmann, a seventeen-year-old from Washington State, launched a homemade Web site to track the movement of the coronavirus. Since then, the site, ncov2019.live, has had more than a hundred million visitors. “I wanted to just make the data easily accessible, but I never thought it would end up being this big,” the high-school junior said last week over FaceTime. Schiffmann, gap-toothed and bespectacled, was sitting on his bed wearing a blue T-shirt and baggy pajama bottoms. It was late morning. He was at…
