Heardable has lots of data. Lots. Many times, conventional graphs and charts didn't quite represent data in a way that was needed.
Customs graphs had to be created. A good number too. There are at least 20 different graphs and charts representing data.
They animate, respond to screen size changes, are interactive on screen and gorgeous on paper.
It was quite the challenge but definitely worth the the effort. This deep dive into the world of D3 taught me many things about how SVGs work and how powerful they can be.