Charles O. Paullin and John K. Wright's Atlas of the Historical Geography of the United States. First published in 1932. This digital edition developed at the University of Richmond's Digtial Sholarship Lab reproduces all of the atlas's nearly 700 maps. Thanks to the Belfast Telegraph for making the video embeddable. Why the University of Richmond did not is unclear.
AppGeo’s Michael Terner believes the FOSS4G conference “serves as a bellwether for the overall health of technological diversity in the geospatial industry.” In 2014, he suggests, the industry is thriving.