Jer Thorp from blprnt.com (and author of the incredibly useful getting started in visualising data post) managed to get his hands on a data set of mobile phone records of 10 million people from an undisclosed European country, crunched them in Processing to produce this rathre beautiful 3D rendering of call length data.
Especially liked this goal to creating a data visualisation:
I want people to say ‘Oooh…!’ when they turn the page to it. Once they’re hooked, though, I want them to learn something – the ‘Aaah!’ moment.
Read more about how the data was used to reveal user’s visual trails.
I shall be buying a copy of WIRED on my way home to see the final piece