Previous discussions:<p><a href="https://news.ycombinator.com/item?id=12463338" rel="nofollow">https://news.ycombinator.com/item?id=12463338</a><p><a href="https://news.ycombinator.com/item?id=12468573" rel="nofollow">https://news.ycombinator.com/item?id=12468573</a>