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
embiggen current event flag
move styling out of index.html
move fetch into main
add sort metric below team name
hide rounds
round persistence
sort persistence
better layout
better colors
webpack 2 / css modules?
add three.js sketchup clone to a list somewhere
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