PDF of slides discussed at <a href="https://news.ycombinator.com/item?id=18099304" rel="nofollow">https://news.ycombinator.com/item?id=18099304</a><p>Updated version <a href="https://news.ycombinator.com/item?id=18109098" rel="nofollow">https://news.ycombinator.com/item?id=18109098</a>