It lets you type in a word (I think it only has the most frequently used 100,000 words, though?) and will map its frequency of use in tweets (either by county or just by hotspots) across the continental US.
Here are some fun ones.
The differing distributions of “geek”, “dork”, and “nerd”:
“Canada”, “Mexico”, and “America” (I would have used “United States”, but it just takes words, not phrases):
“North” and “south” are nicely clustered around the states with those words in their names:
ZOMG new favorite Tumblr.
Do you like maps? This is the site for you! Here are some good ones:
Population of Wyoming by square mile; i.e., “No One Lives in Wyoming”
I want to live in Suddenly Bright Bosom.
Edit: Hahaha, Canada:
Here’s the link to a huge version of this map so you can read all the text.
This is pretty snazzy. Couple of highlights:
– Most potatoes produced: Idaho (go figure)
– Most reported Bigfoot sightings: Washington
– Idaho and Montana shrink to almost nothing when you select to view the states sized by the number of African American individuals living in the state.
Most badass cover of Maps ever.