Close up at a Distance: Mapping, Technology, and Politics. By Laura Kurgan. 228 pp.; maps, ills. New York: Zone Books, 2013. $36.95 (cloth), isbn 9781935408284.   Code/Space: Software and Everyday Life. By Rob Kitchin and Martin Dodge. x and 301 pp.; maps, diagrs., ills., bibliog., index. Cambridge, Ma.: The MIT Press, 2011. $37.00 (cloth), isbn 9780262042482.