I just interviewed at this place: http://www.trulia.com http://www.trulia.com They have quite a number of interesting graphical displays (one are 'heat maps' s

I just interviewed at this place: http://www.trulia.com http://www.trulia.com They have quite a number of interesting graphical displays (one are 'heat maps' showing housing prices, granulated at the level of neighborhoods, and another is a visualization of how a city have evolved over time). I think I may be working with them to figure out how to grab unusual data and pull out all kinds of interesting correlations useful to the public.