Given my [obsession](http://rud.is/b/?s=slopegraphs) with slopegraphs, I’m not sure how I missed this [post](http://neoformix.com/2013/ObesitySlopegraph.html) back in late February by @JeffClark that includes a very nicely executed [interactive sloepgraph](http://neoformix.com/Projects/ObesitySlope/) on the global obesity problem. He used [Processing](http://processing.org/) & [Processing JS](http://processingjs.org/) to build the visualization and I think it illustrates how well animation/interaction and slopegraphs work together. It would be even spiffier if demographic & obesity details (perhaps even a dynamic map) were displayed as you select a country/region.
You can try your hand at an alternate implementation by [grabbing the data](https://www.google.com/fusiontables/DataSource?snapid=S887706wZVv) and playing along at home.
