This might seem nice for the USA but it would fail miserably in other places (or require different URL schemes). I could not find a bigger discussion I remember

This might seem nice for the USA but it would fail miserably in other places (or require different URL schemes). I could not find a bigger discussion I remember on HN but https://news.ycombinator.com/item?id=2588289 https://news.ycombinator.com/item?id=2588289 might work as example already.