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Using precisemedia data. Let's not merge just yet, waiting for some data feedback from Emma.

![screen shot 2014-04-07 at 16 52 51](https://cloud.githubusercontent.com/assets/3565/2633283/c61c7f56-be6c-11e3-850e-fad59f89ef9a.png)

Resolves https://github.com/theodi/shared/issues/180