From the Guardian’s Data Blog (impressed that the Guardian has a beat just for data, “the oil of the 21st century”).
Achieves the rare goal for an interactive figure of being pretty intuitive, and working both at the “glance” scale and the “detail” scale.
Certainly does a good job of letting me disqualify states and regions for my next move!
http://www.guardian.co.uk/news/datablog/2012/may/10/data-visualisation-us-gay-rights
A Few Reasonable Words 