Nice! Very timely for me too, I was just doing some D3 stuff this morning, and this very clearly explained what's going on under the hood. I was definitely in

Nice! Very timely for me too, I was just doing some D3 stuff this morning, and this very clearly explained what's going on under the hood. I was definitely in the "copy/paste pieces of code from various snippets over at bl.ocks.org, cross my fingers and hope for the best." camp. It makes much more sense now.