previous discussions from more than a year ago:<p><a href="https://news.ycombinator.com/item?id=7341690" rel="nofollow">https://news.ycombinator.com/item?id=7341690</a><p><a href="https://news.ycombinator.com/item?id=7551423" rel="nofollow">https://news.ycombinator.com/item?id=7551423</a>