[miked98]

D3.js powers all of the visualizations at Metamarkets, thanks to Vadim Ogievetsky, who got an early look at the D3 code base. It's a powerful framework that extends beyond visualizations: it can be used to attach data to any part of the DOM, not just SVG elements.

Here's one example that weaves together both data and graphics: http://labs.metamx.com/.