Bert Bates wrote:So, doesn't that length depend mightily on the length of your measuring stick?
Well, yes, that's right.
Is there a standard measuring stick length for such things as "the length of a coastline"?
Believe it or not there's a "World Vector Shoreline" database which can be used to produce fun facts like this one. Check out the Wikipedia article which your article's writer may have referred to: List of countries by length of coastline.