This could use a (2013) tag. There's a writeup here [0], basically he's creating a voronoi diagram from friends' locations, as queried by FourSquare. With the

This could use a (2013) tag. There's a writeup here [0], basically he's creating a voronoi diagram from friends' locations, as queried by FourSquare. With the voronoi diagram the intersections of the lines map out points equidistant from the nearest neighbors, which is what I'm guessing he's visiting in the video clips. 0: http://scottmadethis.net/interactive/hellisotherpeople/ http://scottmadethis.net/interactive/hellisotherpeople/