The BuzzFeed Article on Sacks&#x27; memo was written&#x2F;submitted first and is more comprehensive: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11083597" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=11083597</a>