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
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How Much the Everyday Changes When You Have Kids
I compared time use for those with children under 18 against those without. Here’s where the minutes go.
How Much Minimum Wage Changed in Each State
Minimum wage has increased over the years, but by how much depends on where you live.