Cartography has always shaped worldview and geopolitics, and often for the worse. So it does in the era of Donald Trump.

A secret map of Ireland's coastline played a crucial role in taking down a powerful alliance of pirates that had based itself in the southwest of Ireland in the 17th century.

This is why celebrities often blur their homes on Google Maps, so that stalkers and thieves can't get a good look at it. And you can do the same. If your house is visible on Street View ...