I asked the same question and he replied... http://news.ycombinator.com/item?id=5021896 http://news.ycombinator.com/item?id=5021896 I think that "to get bette

I asked the same question and he replied... http://news.ycombinator.com/item?id=5021896 http://news.ycombinator.com/item?id=5021896 I think that "to get better at data processing, javascript, and UI Interaction/charting" is a perfectly valid answer. But in general, I tend to be wary of visualizations that don't ultimately inform some decision making process.