Show HN: Comparea, a tool to compare the area of two geographic features

You can read more about this project on its about page or here: <a href="http://www.danvk.org/wp/2014-08-13/introducing-comparea/" rel="nofollow">http:&#x2F;&#x2F;www.danvk.org&#x2F;wp&#x2F;2014-08-13&#x2F;introducing-comparea&#x2F;</a>