Click on the "past" link to see previous submissions. A few have comments, most do not.<p>The only substantial discussion I can find is from 9 years ago, here:<p><a href="https://news.ycombinator.com/item?id=4637196" rel="nofollow">https://news.ycombinator.com/item?id=4637196</a><p>There are a few more comments here:<p><a href="https://news.ycombinator.com/item?id=5960299" rel="nofollow">https://news.ycombinator.com/item?id=5960299</a>