Juice Analytics has a useful Chart Chooser that, according to them, answers the questions: “What type of chart should I use to show my data? And, “How can I make good looking Excel or PowerPoint charts?”

MIT’s Ben Fry (of Zipdecoder fame) has a new book out about data visualization; it should be good, but I haven’t read it yet.

Apparently, there’s a lot of controversy about the value of dashboards; here’s an example of a telesales dashboard done right.

There’s a Prado Medialab in Madrid that works on visualization issues, amongst others.

A neat mindmapping application built on top of Wikipedia. (This category of tool, using Wikipedia as a knowledge base, is fascinating, I think.)

An interesting map of white American regional accents that are ‘non-rhotic,’ r-droppers in other terms.