Lessons learned

scaleOrdinal vs scaleLinear (only 2 colors!) vs interpolateCool vs d3.schemeColor20c
ribbon source vs index (change fill them differently) https://github.com/d3/d3-scale-chromatic https://bost.ocks.org/mike/uberdata/ http://bl.ocks.org/mbostock/1046712 https://bl.ocks.org/mbostock/4062006 http://projects.delimited.io/experiments/chord-transitions/demos/trade.html https://github.com/jokecamp/sportdb-build-scripts https://groups.google.com/forum/#!topic/opensport/593H1O7yIdE https://github.com/openfootball/datafile/blob/master/worldcup.rb https://openfootball.github.io/questions.html

TODO

add team name to each arc build dataset tweet it!