MIT Technology Review

"Stick figures enter buildings that grow a notch taller with each visit. Blocks fall from the sky into stacks. Dots cluster one by one around larger circles on the computer screen, looking like cells on a microscope's slide.

These varied images are different attempts to visually illustrate the flow of reader activity at Digg.com, the popular news site that lets readers post links to headlines elsewhere online and rank them by voting on their popularity."

See previous posts on data visualization at IBM's Many Eyes and Wikipedia