Data Visualization, Big Data, Taiwan, Fitness, Military.
https://www.nytimes.com/2018/01/30/world/australia/strava-heat-map-student.html https://www.abc.net.au/news/science/2018-01-29/strava-heat-map-shows-military-bases-and-supply-routes/9369490 https://www.thedailybeast.com/strava-fitness-tracker-app-exposes-taiwans-missile-command-center?ref=scroll