ShadowplayUpdate: This post was published in 2012. As of 2017,I ended official support for TileMill in 2016. The Mapbox way to make this kind of map is now Studio.Inspired by Unknown Pleasures by Joy Division, inspired by the radio transmissions of a pulsar, rendered with TileMill and served by MapBox Hosting. Perturbed by the Mickey Mouse Waves shirt.src: shadowplay.py. The GIF above triggers a variety of amusing browser bugs.February 5, 2012 @tmcw (@email@example.com)Want to read something else I've written about maps and geo?