Joseph Stromberg: This interactive map shows the most popular running and cycling routes in your city: “Strava, a popular app used to log routes and times for cyclists and runners…
…has an an interactive heatmap of 77 million rides and 19 million runs recorded by users over the past few years. It is made up of more than 220 billion total data points, and it is amazing…
Terrifying rather than amazing, I would say…