Buzztracker has been around for a while, developed originally in 2002 by Craig Mod, but I just discovered it through the Yahoo! Buzztracker widget. The goal of the site is to show the interconnectedness of news from around the world. It's a pretty simple concept that's very nicely executed (abridged from the the About):
"Buzztracker consists of two types of pages. Daily Indexes and Individual Location Indexes. On the daily index page, you see a list of cities with percentages next to them. The number represents the percentage of news stories that city is associated with for that day.
Locations that appear more often are represented by red circles on the map. The more frequently the cities appear, the larger the circle. Connections between locations are determined by intercontextual referencing in news articles. These connections are represented by lines between locations. The stronger the connection, the darker the line."
Just go check it out. It's cool.