Two years ago: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=6885947" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=6885947</a><p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=7019617" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=7019617</a>