When this came out, back in 2012, there was a decent amount of discussion about it here <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=3416426" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=3416426</a> .<p>As I recall, this Slate article drew a lot of attention to the map, and garnered many sales for the years of work that went into making the map.