When I think of the future of maps, I think about my old road atlas, the large, accordion-folded sheet of paper of the Great State of Alabama, covered with county roads and highways and twisty rivulets and interstates like arteries, and how it has long been replaced by my G.P.S. But when Tom Harper, Curator of Cartographic Materials at the British Library, thinks about the future of maps, he thinks about videogames. He and the Museum have partnered with Crytek, creators of the ultra-realistic Crysis shooters, to jumpstart a project called Off The Map, in which university students will use…