Thanks for the suggestion! We'll certainly look into Freebase. We don't use the google maps API to plot the points, only the map itself. So we don't need limit

Thanks for the suggestion! We'll certainly look into Freebase. We don't use the google maps API to plot the points, only the map itself. So we don't need limit ourselves to these restrictions. In this case we render the points with SVG, but can also do this with webGL for better performance.