Designer Stefanie Posavec, who works in London, and Giorgia Lupi, design director of Accurat in NYC, are data diarists. Since September they have sent each other weekly data viz postcards chronicling their daily lives. They call it “Dear Data, a Year Long Analog Data-Drawing Project.” And here they are to tell more about this enticing project. Giorgia Lupi Stefanie Posavec What appeals most to you about data viz? Stefanie: I enjoy data viz mainly because I enjoy discovering a