Previous discussions:<p>[differences page]<a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10345728" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10345728</a> (170 points, 1 day ago, 120 comments)<p>[main page] <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10331008" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=10331008</a> (114 points, 3 days ago, 100 comments)