Previous submissions and discussions ...<p><a href="https://news.ycombinator.com/item?id=4637196" rel="nofollow">https://news.ycombinator.com/item?id=4637196</a> <- Most comments<p><a href="https://news.ycombinator.com/item?id=5960299" rel="nofollow">https://news.ycombinator.com/item?id=5960299</a> <- More comments<p><a href="https://news.ycombinator.com/item?id=4167834" rel="nofollow">https://news.ycombinator.com/item?id=4167834</a><p><a href="https://news.ycombinator.com/item?id=4170972" rel="nofollow">https://news.ycombinator.com/item?id=4170972</a><p><a href="https://news.ycombinator.com/item?id=4185226" rel="nofollow">https://news.ycombinator.com/item?id=4185226</a><p><a href="https://news.ycombinator.com/item?id=4355548" rel="nofollow">https://news.ycombinator.com/item?id=4355548</a><p><a href="https://news.ycombinator.com/item?id=4964931" rel="nofollow">https://news.ycombinator.com/item?id=4964931</a><p><a href="https://news.ycombinator.com/item?id=5167935" rel="nofollow">https://news.ycombinator.com/item?id=5167935</a><p><a href="https://news.ycombinator.com/item?id=5666751" rel="nofollow">https://news.ycombinator.com/item?id=5666751</a><p><a href="https://news.ycombinator.com/item?id=5679080" rel="nofollow">https://news.ycombinator.com/item?id=5679080</a>