This visual history of humanity is really kind of hypnotizing to watch. Keep your eye on the date in the corner and you can see how explosions of activity occur around certain important dates in history.
London based software engineers Gareth Lloyd and Tom Martin created the visualization by cross referencing Wikipedia articles with coordinates in them and Wikipedia articles with references to historical events. The mash up produced 15,000 usable events with locations and one really neat piece of eye candy.
I love data. Good stuff.
For the technical geekery data setty stuff you can go here.