Several previous submissions, with significant discussion:<p>3 years ago: 54 comments <<a href="https://news.ycombinator.com/item?id=19756487" rel="nofollow">https://news.ycombinator.com/item?id=19756487</a>><p>2 years ago: 43 comments <<a href="https://news.ycombinator.com/item?id=23734235" rel="nofollow">https://news.ycombinator.com/item?id=23734235</a>>