I didn't know this sort of thing had a name! I made a similar (but now that I look back on it, much less informative) chart using d3 here: http://neugierig.org

I didn't know this sort of thing had a name! I made a similar (but now that I look back on it, much less informative) chart using d3 here: http://neugierig.org/software/datavis/lines-spent/ http://neugierig.org/software/datavis/lines-spent/