Visualization worldwide Spotify track availability with d3js and Twitter's flight framework

To get familiar with Twitter's flight framework, I created a small data visualization of Spotify's worldwide track availabilty.

I use the Spotify API to find the availability of the track wordwide.

The results are visualized with d3.js. The countries for which the track is available are highlighted on a globe, created with d3js geo capabilities. To rotate the globe, drag it.

The dataset is a combination of the results returned by the Spotify API, wikipedia country ISO codes list and a json file specifying the country borders.