Also discussed here: <a href="https://news.ycombinator.com/item?id=21270764" rel="nofollow">https://news.ycombinator.com/item?id=21270764</a><p>Mentioned here with no discussion: <a href="https://news.ycombinator.com/item?id=21270259" rel="nofollow">https://news.ycombinator.com/item?id=21270259</a>