Strava

I enjoy exploring London and use Jonathan O'Keeffe's site all the time, so my favourite visualisation thing using Strava data:

1. Get a heat map with http://www.jonathanokeeffe.com/strava/map.php
   Up the opaque, pixel size as you wish, leave colour on heatmap
   
2. Copy this: jQuery("#map_canvas").css("background-color", "black").find("img").hide()
   
3. Full screen in your heatmap, hit Shift + Ctrl + j
   then Shift + Ctrl + v
   
4. Enter, and voilà
   
   

One I made earlier

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