This is a great visualization of user agent statistics for a site. I wish Firefox had a slightly larger share of the market, which would allow the data to look MORE like the firefox logo.
It looks like it was made with the Axiis open source data visualization tool.
Very cool.
W3schools.com’s Historic Browser Visualization
This is a nice interactive timeline showing the national unemployment rate over the last 14 months.
MSNBC Interactive Timeline: Economy in turmoil
This is a visualization showing dns servers plotted on a world map as they are being patched to repair the Kaminsky DNS vulnerability.
The animated map was produced by Clarified Networks, using data provided by doxpara.com.
Key from doxpara:
Tip of the hat: doxpara
Visualization Central 