On Wikipedia, there are constant edits by people around the world. You can poke your head in on the live recent edits via the IRC feed from Wikimedia. Stephen LaPorte and Mahmoud Hashemi are scraping the anonymous edits, which include IP addresses (which can be easily mapped to location), and naturally, you can see them pop up on a map.
Map of live Wikipedia changes
Projects by Nathan Yau See All →
Percentage of People Who Married, Given Your Age
Or, given your age, the percentage of fish left in the sea. Here’s a chart.
Data Underload #6 – Bed Head
Your hair distribution in the morning, based on how you slept the previous night.