If you looked through wikipedia articles on major world events, and plotted them on a map, and then removed the map, you’d get a video looking something like this:
He has set them up so that the train schedules, and intersections determine the order the notes are played in, and how frequently, which is a pretty nifty piece of data visualisation, or perhaps actualisation, or auralisation…
From both the US and UK. This is a nice little visualisation using one of my most favourite games in the world to put some financial figures into perspective.
This is a nice little visualisation of Facebook connections around the planet. All the lines on the map are created by connections between people (the brighter the line the more friendships exist along that axis.).
A guy named David McCandless put together some data visualisations for a talk he gave at TED. You can watch it here.
But in my opinion, his really interesting research went into this graph of when people experience relationship break downs based on mentions of “break up” or “broke up” in Facebook status updates.