- ManyEyes: This site lets you upload data and visualize it using a wide variety of interesting displays: maps, word trees, tag clouds, tree maps, bubble charts, matrix charts, network diagrams, etc. Check out the more than 84,000 such visualizations that people have created for ideas of what to do with your own data.
- Gapminder: This site was created by Swedish scientist Hans Rosling, who wanted to make it easy for people to explore the effects of literally hundreds of variables on the world’s nations. Basically, these are multivariate x-y scatter plots that are animated across time. What’s cool, wholly aside from playing with the variables already attached to the site, is that Google recently bought it and added a way for users to upload their own time-stamped data