Traces of network use of apps on android phones, sorted by geolocation of amazon server addresses.
Each ring when clicked displays a image of the data center (or the predicted place the center resolves to) where the servers are hosted.
Each server has a column containing information on what the apps that connect are and what permissions and trackers they contain.

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Data used from:
Abbas Razaghpanah, Arian Akhavan Niaki,
Narseo Vallina-Rodriguez, Srikanth Sundaresan,
Johanna Amann, and Phillipa Gill.
2017. "Studying TLS Usage in Android Apps",
ACM International Conference on
emerging Networking EXperiments and Technologies (CoNEXT) 2017
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