World map of active users on the landing page

To improve social proof at roombelt.com I added a map with locations of my active customers: https://maps.roombelt.com/roombelt.svg.

The image is generated on the fly based on current usage. What do you think about this idea?

I've open-sourced the code that renders the image at https://github.com/ziolko/roombelt-activity-map so that you can use it if you like it.