Ingress Notes https://docs.google.com/a/timmins.net/presentation/d/1Hl4KapfAENAOf4gv-pSngKwvS_jwNVHRPZTTDzXXn6Q/view?pli=1#slide=id.i130 Geometry on the Sphere: Google's S2 Library http://s2map.com/#order=latlng&mode=polygon&s2=true&s2_min_level=1&s2_max_level=30&s2_max_cells=200&s2_level_mod=1&points=42.564067,-83.155459
well this brings me back…